

  <!--mss_data={"linklists":[{"handle":"main-menu","title":"Main Menu","links":[{"url":"/pages/about-blue-light","title":"About blue light","type":"page_link","active":true},{"url":"/collections/all","title":"Anti-Blue Light Screen Protectors","type":"catalog_link","active":false},{"url":"/pages/anti-blue-light-tempered-glass-screen-protector","title":"Tempered Glass Screen Protectors","type":"page_link","active":false},{"url":"/collections/anti-glare-ant-blue-light-screen-protectors","title":"ANTI-GLARE + ANT-BLUE LIGHT","type":"collection_link","active":false},{"url":"/blogs/news","title":"Blog","type":"blog_link","active":false},{"url":"/pages/instruction","title":"Instructions","type":"page_link","active":false}]},{"handle":"footer","title":"Footer","links":[{"url":"/search","title":"Search","type":"search_link","active":false},{"url":"/pages/about-us","title":"About Us","type":"page_link","active":false},{"url":"/pages/customer-service","title":"Customer Service","type":"page_link","active":false},{"url":"/pages/track-order-status","title":"Track Order Status","type":"page_link","active":false},{"url":"/pages/contact-us","title":"Contact us","type":"page_link","active":false}]},{"handle":"iphones","title":"Main menu>ANTI-BLUE LIGHT SCREEN PROTECTORS>iPhones","links":[{"url":"/collections/pet-iphone-12-mini-12-12-pro-12-pro-max","title":"iPhone 12 ‧ 12 mini ‧ 12 Pro ‧ 12 Pro Max","type":"collection_link","active":false},{"url":"/collections/pet-iphone-x-xr-xs-xs-max-1","title":"iPhone 11 ‧ 11Pro ‧ 11 Pro Max","type":"collection_link","active":false},{"url":"/collections/pet-iphone-x-xr-xs-xs-max","title":"iPhone X ‧ XR ‧ Xs ‧ Xs Max","type":"collection_link","active":false},{"url":"/collections/pet-iphone-8-8-plus","title":"iPhone SE ‧ 2020 iPhone 8 ‧ 8 Plus","type":"collection_link","active":false},{"url":"/collections/nintendo-switch","title":"Nintendo Switch","type":"collection_link","active":false}]},{"handle":"ipads","title":"iPads","links":[{"url":"/collections/pet-2021-ipad-pro","title":"2021 iPad Pro","type":"collection_link","active":false},{"url":"/collections/pet-2020-ipad-air-4","title":"2020 iPad Air 4","type":"collection_link","active":false},{"url":"/collections/ipad-pro","title":"2020 iPad Pro ‧ 2018 iPad Pro ","type":"collection_link","active":false},{"url":"/collections/ipad-air","title":"2019 iPad Air 3 ‧ Air 2 ‧ Air ","type":"collection_link","active":false},{"url":"/collections/2019-ipad","title":"2020 iPad 8th Gen ‧ 2019 iPad 7th Gen","type":"collection_link","active":false},{"url":"/products/anti-blue-light-screen-protector-black-border","title":"2019 iPad mini 5 / iPad mini 4","type":"product_link","active":false},{"url":"/collections/ipad-mini-retina","title":"iPad mini ‧ mini 2 ‧ mini 3","type":"collection_link","active":false},{"url":"/collections/ipad-4-new-ipad","title":"iPad 4 ‧ New iPad","type":"collection_link","active":false}]},{"handle":"macbooks","title":"Main menu>ANTI-BLUE LIGHT SCREEN PROTECTORS>MacBooks","links":[{"url":"/collections/macbook-pro-15-13","title":"Macbook Pro","type":"collection_link","active":false},{"url":"/collections/macbook-air","title":"Macbook Air","type":"collection_link","active":false}]},{"handle":"about-blue-light","title":"About blue light","links":[{"url":"/pages/over-view","title":"Overview","type":"page_link","active":false},{"url":"/pages/insomnia","title":"Insomnia","type":"page_link","active":false},{"url":"/pages/vision-loss","title":"Vision Loss","type":"page_link","active":false},{"url":"/pages/children-elderly","title":"Children & Elderly","type":"page_link","active":false},{"url":"/pages/present-media","title":"Press & Media","type":"page_link","active":false}]},{"handle":"tempered-glass-screen-protectors","title":"Tempered Glass Screen Protectors","links":[{"url":"https://retinaguard.com/collections/current-models/products/anti-blue-light-tempered-glass-screen-protectors-for-iphone-15","title":"iPhone 15‧ 15 Plus ‧ 15 Pro ‧ 15 Pro Max","type":"http_link","active":false},{"url":"/collections/anti-blue-light-tempered-glass-screen-protector-iphone-14-14-plus-14-pro-14-pro-max","title":"iPhone 14 ‧ 14 Plus ‧ 14 Pro ‧ 14 Pro Max","type":"collection_link","active":false},{"url":"/collections/anti-blue-light-tempered-glass-screen-protector-iphone-13-13-mini-13-pro-13-pro-max","title":"iPhone 13 ‧ 13 mini ‧ 13 Pro ‧ 13 Pro Max","type":"collection_link","active":false},{"url":"/collections/anti-blue-light-tempered-glass-screen-protector-iphone-12-12-mini-12-pro-12-pro-max","title":"iPhone 12 ‧ 12 mini ‧ 12 Pro ‧ 12 Pro Max","type":"collection_link","active":false},{"url":"/collections/anti-blue-light-tempered-glass-screen-protector-iphone-11-11-11-pro-11-pro-max","title":"iPhone 11 ‧ 11 Pro ‧ 11 Pro Max","type":"collection_link","active":false},{"url":"/collections/anti-blue-light-tempered-glass-screen-protector-iphone-x-xr-xs-xs-max","title":"iPhone X ‧ XR ‧ Xs ‧ Xs Max","type":"collection_link","active":false},{"url":"/collections/iphone-8-iphone-8-plus-iphone-x","title":"iPhone SE 2020 ‧ iPhone 8 ‧ 8 Plus","type":"collection_link","active":false},{"url":"/collections/anti-blue-light-tempered-glass-screen-protector-for-ipad-pro","title":"iPad Pro","type":"collection_link","active":false},{"url":"/collections/anti-blue-light-tempered-glass-screen-protector-for-ipad-air","title":"iPad Air","type":"collection_link","active":false},{"url":"/collections/anti-blue-light-tempered-glass-screen-protector-for-ipad-mini","title":"iPad mini","type":"collection_link","active":false},{"url":"/collections/anti-blue-light-tempered-glass-screen-protector-for-ipad","title":"iPad","type":"collection_link","active":false}]},{"handle":"vehicles","title":"Vehicles","links":[{"url":"/collections/vehicles","title":"Windshield","type":"collection_link","active":false}]},{"handle":"apple","title":"apple","links":[{"url":"#","title":"iPhones","type":"http_link","active":false},{"url":"#","title":"iPads","type":"http_link","active":false},{"url":"#","title":"Macbooks","type":"http_link","active":false}]},{"handle":"anti-blue-light-screen-protectors","title":"Main menu>ANTI-BLUE LIGHT SCREEN PROTECTORS","links":[{"url":"#","title":"iPads","type":"http_link","active":false},{"url":"#","title":"iPhones","type":"http_link","active":false},{"url":"#","title":"Macbooks","type":"http_link","active":false},{"url":"/collections/anti-blue-light-screen-protector-for-pc","title":"PC","type":"collection_link","active":false}]},{"handle":"customer-account-main-menu","title":"Customer account main menu","links":[{"url":"/","title":"Shop","type":"frontpage_link","active":false},{"url":"https://shopify.com/6820971/account/orders?locale=en&region_country=US","title":"Orders","type":"customer_account_page_link","active":false}]}]}-->

  <script>
    var mss_page = "page.full-width";
    
    mss_selected_locale = "en";
  </script>
<!doctype html>
<!--[if lt IE 7]> <html class="no-js lt-ie9 lt-ie8 lt-ie7" lang="en"> <![endif]-->
<!--[if IE 7]> <html class="no-js lt-ie9 lt-ie8" lang="en"> <![endif]-->
<!--[if IE 8]> <html class="no-js lt-ie9" lang="en"> <![endif]-->
<!--[if IE 9]> <html class="ie9 no-js"> <![endif]-->
<!--[if (gt IE 9)|!(IE)]><!--> <html class="no-js"> <!--<![endif]-->

<head>


 <!-- SEO Manager 5.0.3 -->
<meta name='seomanager' content='5.0' />
<title>RetinaGuard anti blue light screen protectors - About blue light</title>
<meta name='description' content='RetinaGuard Anti Blue Light Screen Protector for iPhone 7, iPhone 7 Plus and other generations, helps to reduce glare and eye strain. Defend from harmful blue light emitted from smartphones &amp; tablets.' /> 
<meta name="robots" content="index"> 
<meta name="robots" content="follow">

<!-- end: SEO Manager 5.0.3 -->


  <!-- Blockshop Theme Version 2.0.4 by Troop Digital - http://troop.ws/ -->
<meta name="google-site-verification" content="gFRlzRmVVuQnyZX3TeoLZW7-A09jD_MMgIhWT8hfw8s" />
  <meta charset="UTF-8" />
  <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  
    <link rel="shortcut icon" type="image/png" href="//retinaguard.com/cdn/shop/t/37/assets/favicon.png?v=104525246853095018321421635180" />
  

  <link rel="canonical" href="https://retinaguard.com/pages/about-blue-light" />
  
  
<script>
  WebFontConfig = {
    
    
    google: { families: ['Open Sans:400,700', 'Droid Serif:400,700', ] }
    
  };
</script>
<script src="//ajax.googleapis.com/ajax/libs/webfont/1.4.7/webfont.js"></script>


  <script>window.performance && window.performance.mark && window.performance.mark('shopify.content_for_header.start');</script><meta id="shopify-digital-wallet" name="shopify-digital-wallet" content="/6820971/digital_wallets/dialog">
<meta name="shopify-checkout-api-token" content="50f88d83e2baa36684d9ffa123f961e5">
<meta id="in-context-paypal-metadata" data-shop-id="6820971" data-venmo-supported="false" data-environment="production" data-locale="en_US" data-paypal-v4="true" data-currency="USD">
<script async="async" src="/checkouts/internal/preloads.js?locale=en-US"></script>
<script id="shopify-features" type="application/json">{"accessToken":"50f88d83e2baa36684d9ffa123f961e5","betas":["rich-media-storefront-analytics"],"domain":"retinaguard.com","predictiveSearch":true,"shopId":6820971,"smart_payment_buttons_url":"https:\/\/retinaguard.com\/cdn\/shopifycloud\/payment-sheet\/assets\/latest\/spb.en.js","dynamic_checkout_cart_url":"https:\/\/retinaguard.com\/cdn\/shopifycloud\/payment-sheet\/assets\/latest\/dynamic-checkout-cart.en.js","locale":"en"}</script>
<script>var Shopify = Shopify || {};
Shopify.shop = "retinaguard-store.myshopify.com";
Shopify.locale = "en";
Shopify.currency = {"active":"USD","rate":"1.0"};
Shopify.country = "US";
Shopify.theme = {"name":"Blockshop","id":12322459,"schema_name":null,"schema_version":null,"theme_store_id":null,"role":"main"};
Shopify.theme.handle = "null";
Shopify.theme.style = {"id":null,"handle":null};
Shopify.cdnHost = "retinaguard.com/cdn";
Shopify.routes = Shopify.routes || {};
Shopify.routes.root = "/";</script>
<script type="module">!function(o){(o.Shopify=o.Shopify||{}).modules=!0}(window);</script>
<script>!function(o){function n(){var o=[];function n(){o.push(Array.prototype.slice.apply(arguments))}return n.q=o,n}var t=o.Shopify=o.Shopify||{};t.loadFeatures=n(),t.autoloadFeatures=n()}(window);</script>
<script id="shop-js-analytics" type="application/json">{"pageType":"page"}</script>
<script>(function() {
  function asyncLoad() {
    var urls = ["\/\/www.powr.io\/powr.js?powr-token=retinaguard-store.myshopify.com\u0026external-type=shopify\u0026shop=retinaguard-store.myshopify.com","https:\/\/cdn-loyalty.yotpo.com\/loader\/u_ayi6tQrE-ZA7o_lOIkyA.js?shop=retinaguard-store.myshopify.com","https:\/\/www.improvedcontactform.com\/icf.js?shop=retinaguard-store.myshopify.com","\/\/open-signin.okasconcepts.com\/js\/resource.js?shop=retinaguard-store.myshopify.com","https:\/\/cdn.refersion.com\/pixel.js?shop=retinaguard-store.myshopify.com\u0026client_id=6314\u0026pk=pub_5303a2ad02502ad715cf\u0026shop=retinaguard-store.myshopify.com","https:\/\/cdn.hextom.com\/js\/quickannouncementbar.js?shop=retinaguard-store.myshopify.com","https:\/\/cdn.hextom.com\/js\/freeshippingbar.js?shop=retinaguard-store.myshopify.com"];
    for (var i = 0; i < urls.length; i++) {
      var s = document.createElement('script');
      s.type = 'text/javascript';
      s.async = true;
      s.src = urls[i];
      var x = document.getElementsByTagName('script')[0];
      x.parentNode.insertBefore(s, x);
    }
  };
  if(window.attachEvent) {
    window.attachEvent('onload', asyncLoad);
  } else {
    window.addEventListener('load', asyncLoad, false);
  }
})();</script>
<script id="__st">var __st={"a":6820971,"offset":28800,"reqid":"3feee0c9-3d07-43fd-9064-7d77a30485e0-1733966587","pageurl":"retinaguard.com\/pages\/about-blue-light","s":"pages-22865927","u":"34af9b6aa93f","p":"page","rtyp":"page","rid":22865927};</script>
<script>window.ShopifyPaypalV4VisibilityTracking = true;</script>
<script id="captcha-bootstrap">!function(){'use strict';const t='contact',e='account',n='new_comment',o=[[t,t],['blogs',n],['comments',n],[t,'customer']],c=[[e,'customer_login'],[e,'guest_login'],[e,'recover_customer_password'],[e,'create_customer']],r=t=>t.map((([t,e])=>`form[action*='/${t}']:not([data-nocaptcha='true']) input[name='form_type'][value='${e}']`)).join(','),a=t=>()=>t?[...document.querySelectorAll(t)].map((t=>t.form)):[];function s(){const t=[...o],e=r(t);return a(e)}function i(t,e,n=!1){try{const o=window.sessionStorage,c=JSON.parse(o.getItem(e)),{data:r}=c.action?c:{data:c};for(const[e,n]of Object.entries(r))t.elements[e]&&(t.elements[e].value=n);n&&o.removeItem(e)}catch{}}const u='password',m='form_key',f=['recaptcha-v3-token','g-recaptcha-response','h-captcha-response',u],d=()=>{try{return window.sessionStorage}catch{return}},p=t=>t.elements[m],l='form_type',h='cptcha';function _(t){t.dataset[h]=!0}const y=window,E=y.document,v='Shopify',g='ce_forms',T='captcha';let S=!1;((t,e)=>{const n=(w='f06e6c50-85a8-45c8-87d0-21a2b65856fe','https://cdn.shopify.com/shopifycloud/storefront-forms-hcaptcha/ce_storefront_forms_captcha_hcaptcha.v1.5.0.iife.js',A={infoText:'Protected by hCaptcha',privacyText:'Privacy',termsText:'Terms'},(t,e,n)=>{const o=y[v][g],c=o.bindForm;if(c)return c(t,w,e,A).then(n);o.q.push([[t,w,e,A],n]),S||(E.body.append(Object.assign(E.createElement('script'),{id:'captcha-provider',async:!0,src:'https://cdn.shopify.com/shopifycloud/storefront-forms-hcaptcha/ce_storefront_forms_captcha_hcaptcha.v1.5.0.iife.js'})),S=!0)});var w,A;y[v]=y[v]||{},y[v][g]=y[v][g]||{},y[v][g].q=[],y[v][T]=y[v][T]||{},y[v][T].protect=function(t,e){n(t,void 0,e),_(t)},Object.freeze(y[v][T]),function(t,e,n,y,E,v){const[g,T,S,w]=function(t,e,n){const i=e?o:[],u=t?c:[],m=[...i,...u],f=r(m),d=r(i),p=n&&r(m.filter((([t,e])=>n.includes(e))));return[a(f),a(d),a(p),s()]}(y,E,v),A=t=>{const e=t.target;return e instanceof HTMLFormElement?e:e&&e.form},b=t=>g().includes(t);t.addEventListener('submit',(t=>{const e=A(t);if(!e)return;const n=b(e)&&!e.dataset.hcaptchaBound&&!e.dataset.recaptchaBound,o=p(e),c=w().includes(e)&&(!o||!o.value);(n||c)&&t.preventDefault(),c&&!n&&(function(t){try{if(!d())return;!function(t){const e=d();if(!e)return;const n=p(t);if(!n)return;const o=n.value;o&&e.removeItem(o)}(t);const e=Array.from(Array(32),(()=>Math.random().toString(36)[2])).join('');!function(t,e){p(t)||t.append(Object.assign(document.createElement('input'),{type:'hidden',name:m})),t.elements[m].value=e}(t,e),function(t,e){const n=d();if(!n)return;const o=[...t.querySelectorAll(`input[type='${u}']`)].map((({name:t})=>t)),c=[...f,...o],r={};for(const[a,s]of new FormData(t).entries())c.includes(a)||(r[a]=s);n.setItem(e,JSON.stringify({action:t.action,data:r}))}(t,e)}catch(e){console.error('failed to persist form',e)}}(e),e.submit())}));const I=(t,e)=>{t&&!t.dataset[h]&&(n(t,e.some((e=>e===t))),_(t))};for(const o of['focusin','change'])t.addEventListener(o,(t=>{const e=A(t);b(e)&&I(e,T())}));const O=e.get('form_key'),R=e.get(l),L=O&&R;t.addEventListener('DOMContentLoaded',(()=>{const t=T();if(L)for(const e of t)e.elements[l].value===R&&i(e,O);[...new Set([...S(),...g().filter((t=>'true'===t.dataset.shopifyCaptcha))])].forEach((e=>I(e,t)))}))}(E,new URLSearchParams(y.location.search),n,!0,!0,['guest_login'])})()}();</script>
<script integrity="sha256-EGCDRYTvIEOXsReXgqGwkAR+5Dl8tickSrieA/ZcQwc=" data-source-attribution="shopify.loadfeatures" defer="defer" src="//retinaguard.com/cdn/shopifycloud/shopify/assets/storefront/load_feature-1060834584ef204397b1179782a1b090047ee4397cb627244ab89e03f65c4307.js" crossorigin="anonymous"></script>
<script data-source-attribution="shopify.dynamic_checkout.dynamic.init">var Shopify=Shopify||{};Shopify.PaymentButton=Shopify.PaymentButton||{isStorefrontPortableWallets:!0,init:function(){window.Shopify.PaymentButton.init=function(){};var t=document.createElement("script");t.src="https://retinaguard.com/cdn/shopifycloud/portable-wallets/latest/portable-wallets.en.js",t.type="module",document.head.appendChild(t)}};
</script>
<script data-source-attribution="shopify.dynamic_checkout.buyer_consent">
  function portableWalletsHideBuyerConsent(e){var t=document.getElementById("shopify-buyer-consent"),n=document.getElementById("shopify-subscription-policy-button");t&&n&&(t.classList.add("hidden"),t.setAttribute("aria-hidden","true"),n.removeEventListener("click",e))}function portableWalletsShowBuyerConsent(e){var t=document.getElementById("shopify-buyer-consent"),n=document.getElementById("shopify-subscription-policy-button");t&&n&&(t.classList.remove("hidden"),t.removeAttribute("aria-hidden"),n.addEventListener("click",e))}window.Shopify?.PaymentButton&&(window.Shopify.PaymentButton.hideBuyerConsent=portableWalletsHideBuyerConsent,window.Shopify.PaymentButton.showBuyerConsent=portableWalletsShowBuyerConsent);
</script>
<script data-source-attribution="shopify.dynamic_checkout.cart.bootstrap">document.addEventListener("DOMContentLoaded",(function(){function t(){return document.querySelector("shopify-accelerated-checkout-cart, shopify-accelerated-checkout")}if(t())Shopify.PaymentButton.init();else{new MutationObserver((function(e,n){t()&&(Shopify.PaymentButton.init(),n.disconnect())})).observe(document.body,{childList:!0,subtree:!0})}}));
</script>


<style id="shopify-accelerated-checkout-cart">
        #dynamic-checkout-cart {
  container-type: inline-size;
  container-name: dcc;
  width: 100%;
}

.wallet-cart-grid {
  --wallet-button-height-horizontal: clamp(
    25px,
    var(
      --shopify-accelerated-checkout-button-inline-size,
      42px
    ),
    55px
  );
  --wallet-button-height-vertical: clamp(
    25px,
    var(
      --shopify-accelerated-checkout-button-block-size,
      54px
    ),
    55px
  );
  --wallet-button-width-horizontal: 150px;
  --wallet-button-width-vertical: 100%;
  --wallet-button-border-radius: var(
    --shopify-accelerated-checkout-button-border-radius,
    4px
  );
  --wallet-grid-margin-horizontal: 0 -5px -5px -5px;
  --wallet-button-container-margin-horizontal: 0 5px 5px;
  --wallet-button-container-margin-vertical: var(--shopify-accelerated-checkout-row-gap, 8px) 0 0;
}

@keyframes acceleratedCheckoutLoadingSkeleton {
  50% {opacity: var(--shopify-accelerated-checkout-skeleton-animation-opacity-start, 1);}
  75% {opacity: var(--shopify-accelerated-checkout-skeleton-animation-opacity-end, 0.5);}
  100% {opacity: var(--shopify-accelerated-checkout-skeleton-animation-opacity-start, 1);}
}

.wallet-cart-button__skeleton {
  animation: acceleratedCheckoutLoadingSkeleton var(--shopify-accelerated-checkout-skeleton-animation-duration, 4s) var(--shopify-accelerated-checkout-skeleton-animation-timing-function, ease) infinite;
  animation-delay: -0.168s;
  background-color: var(--shopify-accelerated-checkout-skeleton-background-color, #dedede);
  box-sizing: border-box;
  text-decoration: none !important;
}

.wallet-cart-grid {
  margin: var(--wallet-grid-margin-horizontal);
  padding: 0;
  display: flex;
  flex-direction: row;
  justify-content: var(--shopify-accelerated-checkout-inline-alignment, start);
  gap: 0 !important;
}

.wallet-cart-grid--skeleton {
  justify-content: var(--shopify-accelerated-checkout-inline-alignment, inherit);
}

.wallet-cart-button-container {
  position: relative;
  margin: var(--wallet-button-container-margin-horizontal);
}

.wallet-cart-button-container,
.wallet-cart-button {
  width: var(--wallet-button-width-horizontal);
  height: var(--wallet-button-height-horizontal);
  border-radius: var(--wallet-button-border-radius);
  list-style-type: none !important;
  text-align: center;
  flex-shrink: 0;
  flex-grow: 0;
}

.additional-checkout-buttons--vertical .wallet-cart-grid {
  justify-content: start;
  flex-direction: column;
  margin: 0;
}
.additional-checkout-buttons--vertical .wallet-cart-grid .wallet-cart-button-container {
  width: var(--wallet-button-width-vertical);
  height: var(--wallet-button-height-vertical);
  margin: var(--wallet-button-container-margin-vertical);
}
.additional-checkout-buttons--vertical .wallet-cart-grid .wallet-cart-button-container:first-child {
  margin-top: 0;
}
.additional-checkout-buttons--vertical .wallet-cart-grid .wallet-cart-button {
  width: var(--wallet-button-width-vertical);
  height: var(--wallet-button-height-vertical);
}

.additional-checkout-buttons--horizontal .wallet-cart-grid .wallet-cart-button-container,
.additional-checkout-buttons--horizontal .wallet-cart-grid .wallet-cart-button {
  width: var(--wallet-button-width-horizontal) !important;
  height: var(--wallet-button-height-horizontal) !important;
  border-radius: var(--wallet-button-border-radius) !important;
}

@container dcc (width >= 150px) and (width <= 500px) {
  .wallet-cart-grid:has(>.wallet-cart-button-container:nth-of-type(1)).wallet-cart-grid:not(:has(>.wallet-cart-button-container:nth-of-type(2))) {
    justify-content: start;
    flex-direction: column;
    margin: 0;
  }
  .wallet-cart-grid:has(>.wallet-cart-button-container:nth-of-type(1)).wallet-cart-grid:not(:has(>.wallet-cart-button-container:nth-of-type(2))) .wallet-cart-button-container {
    width: var(--wallet-button-width-vertical);
    height: var(--wallet-button-height-vertical);
    margin: var(--wallet-button-container-margin-vertical);
  }
  .wallet-cart-grid:has(>.wallet-cart-button-container:nth-of-type(1)).wallet-cart-grid:not(:has(>.wallet-cart-button-container:nth-of-type(2))) .wallet-cart-button-container:first-child {
    margin-top: 0;
  }
  .wallet-cart-grid:has(>.wallet-cart-button-container:nth-of-type(1)).wallet-cart-grid:not(:has(>.wallet-cart-button-container:nth-of-type(2))) .wallet-cart-button {
    width: var(--wallet-button-width-vertical);
    height: var(--wallet-button-height-vertical);
  }
}

@container dcc (width <= 310px) {
  .wallet-cart-grid:has(>.wallet-cart-button-container:nth-of-type(2)).wallet-cart-grid:not(:has(>.wallet-cart-button-container:nth-of-type(3))) {
    justify-content: start;
    flex-direction: column;
    margin: 0;
  }
  .wallet-cart-grid:has(>.wallet-cart-button-container:nth-of-type(2)).wallet-cart-grid:not(:has(>.wallet-cart-button-container:nth-of-type(3))) .wallet-cart-button-container {
    width: var(--wallet-button-width-vertical);
    height: var(--wallet-button-height-vertical);
    margin: var(--wallet-button-container-margin-vertical);
  }
  .wallet-cart-grid:has(>.wallet-cart-button-container:nth-of-type(2)).wallet-cart-grid:not(:has(>.wallet-cart-button-container:nth-of-type(3))) .wallet-cart-button-container:first-child {
    margin-top: 0;
  }
  .wallet-cart-grid:has(>.wallet-cart-button-container:nth-of-type(2)).wallet-cart-grid:not(:has(>.wallet-cart-button-container:nth-of-type(3))) .wallet-cart-button {
    width: var(--wallet-button-width-vertical);
    height: var(--wallet-button-height-vertical);
  }
}

@container dcc (width <= 470px) {
  .wallet-cart-grid:has(>.wallet-cart-button-container:nth-of-type(3)).wallet-cart-grid:not(:has(>.wallet-cart-button-container:nth-of-type(4))) {
    justify-content: start;
    flex-direction: column;
    margin: 0;
  }
  .wallet-cart-grid:has(>.wallet-cart-button-container:nth-of-type(3)).wallet-cart-grid:not(:has(>.wallet-cart-button-container:nth-of-type(4))) .wallet-cart-button-container {
    width: var(--wallet-button-width-vertical);
    height: var(--wallet-button-height-vertical);
    margin: var(--wallet-button-container-margin-vertical);
  }
  .wallet-cart-grid:has(>.wallet-cart-button-container:nth-of-type(3)).wallet-cart-grid:not(:has(>.wallet-cart-button-container:nth-of-type(4))) .wallet-cart-button-container:first-child {
    margin-top: 0;
  }
  .wallet-cart-grid:has(>.wallet-cart-button-container:nth-of-type(3)).wallet-cart-grid:not(:has(>.wallet-cart-button-container:nth-of-type(4))) .wallet-cart-button {
    width: var(--wallet-button-width-vertical);
    height: var(--wallet-button-height-vertical);
  }
}

@container dcc (width <= 630px) {
  .wallet-cart-grid:has(>.wallet-cart-button-container:nth-of-type(4)).wallet-cart-grid:not(:has(>.wallet-cart-button-container:nth-of-type(5))) {
    justify-content: start;
    flex-direction: column;
    margin: 0;
  }
  .wallet-cart-grid:has(>.wallet-cart-button-container:nth-of-type(4)).wallet-cart-grid:not(:has(>.wallet-cart-button-container:nth-of-type(5))) .wallet-cart-button-container {
    width: var(--wallet-button-width-vertical);
    height: var(--wallet-button-height-vertical);
    margin: var(--wallet-button-container-margin-vertical);
  }
  .wallet-cart-grid:has(>.wallet-cart-button-container:nth-of-type(4)).wallet-cart-grid:not(:has(>.wallet-cart-button-container:nth-of-type(5))) .wallet-cart-button-container:first-child {
    margin-top: 0;
  }
  .wallet-cart-grid:has(>.wallet-cart-button-container:nth-of-type(4)).wallet-cart-grid:not(:has(>.wallet-cart-button-container:nth-of-type(5))) .wallet-cart-button {
    width: var(--wallet-button-width-vertical);
    height: var(--wallet-button-height-vertical);
  }
}

@container dcc (width <= 790px) {
  .wallet-cart-grid:has(>.wallet-cart-button-container:nth-of-type(5)).wallet-cart-grid:not(:has(>.wallet-cart-button-container:nth-of-type(6))) {
    justify-content: start;
    flex-direction: column;
    margin: 0;
  }
  .wallet-cart-grid:has(>.wallet-cart-button-container:nth-of-type(5)).wallet-cart-grid:not(:has(>.wallet-cart-button-container:nth-of-type(6))) .wallet-cart-button-container {
    width: var(--wallet-button-width-vertical);
    height: var(--wallet-button-height-vertical);
    margin: var(--wallet-button-container-margin-vertical);
  }
  .wallet-cart-grid:has(>.wallet-cart-button-container:nth-of-type(5)).wallet-cart-grid:not(:has(>.wallet-cart-button-container:nth-of-type(6))) .wallet-cart-button-container:first-child {
    margin-top: 0;
  }
  .wallet-cart-grid:has(>.wallet-cart-button-container:nth-of-type(5)).wallet-cart-grid:not(:has(>.wallet-cart-button-container:nth-of-type(6))) .wallet-cart-button {
    width: var(--wallet-button-width-vertical);
    height: var(--wallet-button-height-vertical);
  }
}

.wallet-cart-grid:has(>.wallet-cart-button-container:nth-of-type(6)) {
  justify-content: start;
  flex-direction: column;
  margin: 0;
}
.wallet-cart-grid:has(>.wallet-cart-button-container:nth-of-type(6)) .wallet-cart-button-container {
  width: var(--wallet-button-width-vertical);
  height: var(--wallet-button-height-vertical);
  margin: var(--wallet-button-container-margin-vertical);
}
.wallet-cart-grid:has(>.wallet-cart-button-container:nth-of-type(6)) .wallet-cart-button-container:first-child {
  margin-top: 0;
}
.wallet-cart-grid:has(>.wallet-cart-button-container:nth-of-type(6)) .wallet-cart-button {
  width: var(--wallet-button-width-vertical);
  height: var(--wallet-button-height-vertical);
}

@media screen and (max-width: 750px) {
  .wallet-cart-grid {
    justify-content: start;
    flex-direction: column;
    max-width: none;
    margin: 0;
  }
  .wallet-cart-grid .wallet-cart-button-container {
    max-width: none;
    width: var(--wallet-button-width-vertical);
    height: var(--wallet-button-height-vertical);
    margin: var(--wallet-button-container-margin-vertical);
  }
  .wallet-cart-grid .wallet-cart-button-container:first-child {
    margin-top: 0;
  }
  .wallet-cart-grid .wallet-cart-button {
    width: var(--wallet-button-width-vertical);
    height: var(--wallet-button-height-vertical);
  }
}

@supports (not (container-type: inline-size)) or (not (selector(:has(*)))) {
  .wallet-cart-grid {
    justify-content: start;
    flex-direction: column;
    margin: 0;
  }
  .wallet-cart-button-container {
    width: var(--wallet-button-width-vertical);
    height: var(--wallet-button-height-vertical);
    margin: var(--wallet-button-container-margin-vertical);
  }
  .wallet-cart-button-container:first-child {
    margin-top: 0;
  }
  .wallet-cart-grid .wallet-cart-button {
    width: var(--wallet-button-width-vertical);
    height: var(--wallet-button-height-vertical);
  }
}

        #shopify-buyer-consent {
  margin-top: 1em;
  display: inline-block;
  width: 100%;
}

#shopify-buyer-consent.hidden {
  display: none;
}

#shopify-subscription-policy-button {
  background: none;
  border: none;
  padding: 0;
  text-decoration: underline;
  font-size: inherit;
  cursor: pointer;
}

#shopify-subscription-policy-button::before {
  box-shadow: none;
}

      </style>

<style id="shopify-accelerated-checkout-cart-grid-with-margin-top">.additional-checkout-buttons--vertical .wallet-cart-grid .wallet-cart-button-container:first-child {
  margin-top: 8px;
}


@container dcc (width >= 150px) and (width <= 500px) {
  .wallet-cart-grid:has(>.wallet-cart-button-container:nth-of-type(1)).wallet-cart-grid:not(:has(>.wallet-cart-button-container:nth-of-type(2))) .wallet-cart-button-container:first-child {
    margin-top: 8px;
  }
}

@container dcc (width <= 310px) {
  .wallet-cart-grid:has(>.wallet-cart-button-container:nth-of-type(2)).wallet-cart-grid:not(:has(>.wallet-cart-button-container:nth-of-type(3))) .wallet-cart-button-container:first-child {
    margin-top: 8px;
  }
}

@container dcc (width <= 470px) {
  .wallet-cart-grid:has(>.wallet-cart-button-container:nth-of-type(3)).wallet-cart-grid:not(:has(>.wallet-cart-button-container:nth-of-type(4))) .wallet-cart-button-container:first-child {
    margin-top: 8px;
  }
}

@container dcc (width <= 630px) {
  .wallet-cart-grid:has(>.wallet-cart-button-container:nth-of-type(4)).wallet-cart-grid:not(:has(>.wallet-cart-button-container:nth-of-type(5))) .wallet-cart-button-container:first-child {
    margin-top: 8px;
  }
}

@container dcc (width <= 790px) {
  .wallet-cart-grid:has(>.wallet-cart-button-container:nth-of-type(5)).wallet-cart-grid:not(:has(>.wallet-cart-button-container:nth-of-type(6))) .wallet-cart-button-container:first-child {
    margin-top: 8px;
  }
}

.wallet-cart-grid:has(>.wallet-cart-button-container:nth-of-type(6)) .wallet-cart-button-container:first-child {
  margin-top: 8px;
}

@media screen and (max-width: 750px) {
  .wallet-cart-grid .wallet-cart-button-container:first-child {
    margin-top: 8px;
  }
}

@supports (not (container-type: inline-size)) or (not (selector(:has(*)))) {
  .wallet-cart-button-container:first-child {
    margin-top: 8px;
  }
}
</style>
<script>window.performance && window.performance.mark && window.performance.mark('shopify.content_for_header.end');</script>

  <link href="//retinaguard.com/cdn/shop/t/37/assets/style.css?v=40651199957831090061674764578" rel="stylesheet" type="text/css" media="all" />

  <!--[if lt IE 8]>
    <script src="//retinaguard.com/cdn/shop/t/37/assets/json2.js?v=154133857350868653501421635182" type="text/javascript"></script>
  <![endif]-->

  <!--[if lt IE 9]>
  <script type="text/javascript" src="https://getfirebug.com/firebug-lite.js"></script>
  <script src="//html5shim.googlecode.com/svn/trunk/html5.js" type="text/javascript"></script>
  <script src="//retinaguard.com/cdn/shop/t/37/assets/dd_roundies.js?v=75117064764312664521421635179" type="text/javascript"></script>
  <script>
  DD_roundies.addRule('.circle', '45px');
  </script>
  <![endif]-->

  <script src="//retinaguard.com/cdn/shop/t/37/assets/custom.modernizr.js?v=44331738608728928201421635179" type="text/javascript"></script>
  <script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js" type="text/javascript"></script>
  <script src="//ajax.googleapis.com/ajax/libs/jqueryui/1.10.3/jquery-ui.min.js" type="text/javascript"></script>
  <script src="//retinaguard.com/cdn/shopifycloud/shopify/assets/themes_support/api.jquery-b0af070cfe3f5cf7c92f9e2a5da2665ee07ed2aad63bb408f8d6672f894a5996.js" type="text/javascript"></script>
  <script src="//retinaguard.com/cdn/shopifycloud/shopify/assets/themes_support/option_selection-86cdd286ddf3be7e25d68b9fc5965d7798a3ff6228ff79af67b3f4e41d6a34be.js" type="text/javascript"></script>

  
  <script>
    var twitterID = '',
    general_external_links_enabled = true,
    general_scroll_to_active_item = false,
    shop_url = 'https://retinaguard.com',
    shop_money_format = '${{amount}}',
    home_slider_auto_enabled = true,
    home_slider_rotate_frequency = 10000,
    home_widget_twitter_enabled = true,
    home_widget_blog_enabled = true,
    product_zoom_enabled = true,
    product_modal_enabled = true;
  </script>

<script type="text/javascript"> 
//<![CDATA[
(function(){function a(a){var b,c,d=window.document.createElement("iframe");d.src="javascript:false",(d.frameElement||d).style.cssText="width: 0; height: 0; border: 0";var e=window.document.createElement("div");e.style.display="none";var f=window.document.createElement("div");e.appendChild(f),window.document.body.insertBefore(e,window.document.body.firstChild),f.appendChild(d);try{c=d.contentWindow.document}catch(g){b=document.domain,d.src="javascript:var d=document.open();d.domain='"+b+"';void(0);",c=d.contentWindow.document}return c.open()._l=function(){b&&(this.domain=b);var c=this.createElement("scr".concat("ipt"));c.src=a,this.body.appendChild(c)},c.write("<bo".concat('dy onload="document._l();">')),c.close(),d}var b="nostojs";window[b]=window[b]||function(a){(window[b].q=window[b].q||[]).push(a)},window[b].l=new Date;var c=function(d,e){if(!document.body)return setTimeout(function(){c(d,e)},30);e=e||{},window[b].o=e;var f=document.location.protocol,g=["https:"===f?f:"http:","//",e.host||"connect.nosto.com",e.path||"/include/",d].join("");a(g)};window[b].init=c})();

nostojs.init('shopify-6820971');

//]]> 
</script>
<!-- Hits Analytics tracking code -->

  
<!-- end of Hits Analytics code -->

 
        <script>
        !function(t,n){function o(n){var o=t.getElementsByTagName("script")[0],i=t.createElement("script");i.src=n,i.crossOrigin="",o.parentNode.insertBefore(i,o)}if(!n.isLoyaltyLion){window.loyaltylion=n,void 0===window.lion&&(window.lion=n),n.version=2,n.isLoyaltyLion=!0;var i=new Date,e=i.getFullYear().toString()+i.getMonth().toString()+i.getDate().toString();o("https://sdk.loyaltylion.net/static/2/loader.js?t="+e);var r=!1;n.init=function(t){if(r)throw new Error("Cannot call lion.init more than once");r=!0;var a=n._token=t.token;if(!a)throw new Error("Token must be supplied to lion.init");for(var l=[],s="_push configure bootstrap shutdown on removeListener".split(" "),c=0;c<s.length;c+=1)!function(t,n){t[n]=function(){l.push([n,Array.prototype.slice.call(arguments,0)])}}(n,s[c]);o("https://sdk.loyaltylion.net/sdk/start/"+a+".js?t="+e+i.getHours().toString()),n._initData=t,n._buffer=l}}}(document,window.loyaltylion||[]);
        
  loyaltylion.init({ token: '5a25a39e1c1f8bac1c5f3a2951b05af7' });


      </script>


  <!-- BEGIN app block: shopify://apps/currency-converter-plus/blocks/app-embed-block/a56d6bd1-e9df-4a4a-b98e-e9bb5c43a042 --><script src="//cdn.codeblackbelt.com/scripts/currency-converter-plus/main.min.js?version=2024121209+0800" async></script>
<!-- END app app block --><meta property="og:image" content="https://cdn.shopify.com/s/files/1/0682/0971/files/checkout_logo_37.png?height=628&pad_color=fff&v=1613520767&width=1200" />
<meta property="og:image:secure_url" content="https://cdn.shopify.com/s/files/1/0682/0971/files/checkout_logo_37.png?height=628&pad_color=fff&v=1613520767&width=1200" />
<meta property="og:image:width" content="1200" />
<meta property="og:image:height" content="628" />
<link href="https://monorail-edge.shopifysvc.com" rel="dns-prefetch">
<script>(function(){if ("sendBeacon" in navigator && "performance" in window) {var session_token = document.cookie.match(/_shopify_s=([^;]*)/);function handle_abandonment_event(e) {var entries = performance.getEntries().filter(function(entry) {return /monorail-edge.shopifysvc.com/.test(entry.name);});if (!window.abandonment_tracked && entries.length === 0) {window.abandonment_tracked = true;var currentMs = Date.now();var navigation_start = performance.timing.navigationStart;var payload = {shop_id: 6820971,url: window.location.href,navigation_start,duration: currentMs - navigation_start,session_token: session_token && session_token.length === 2 ? session_token[1] : "",page_type: "page"};window.navigator.sendBeacon("https://monorail-edge.shopifysvc.com/v1/produce", JSON.stringify({schema_id: "online_store_buyer_site_abandonment/1.1",payload: payload,metadata: {event_created_at_ms: currentMs,event_sent_at_ms: currentMs}}));}}window.addEventListener('pagehide', handle_abandonment_event);}}());</script>
<script id="web-pixels-manager-setup">(function d(d,e,r,a,n){var o,i,t,s,l=(i=(o={modern:/Edge?\/(1{2}[4-9]|1[2-9]\d|[2-9]\d{2}|\d{4,})\.\d+(\.\d+|)|Firefox\/(1{2}[4-9]|1[2-9]\d|[2-9]\d{2}|\d{4,})\.\d+(\.\d+|)|Chrom(ium|e)\/(9{2}|\d{3,})\.\d+(\.\d+|)|(Maci|X1{2}).+ Version\/(15\.\d+|(1[6-9]|[2-9]\d|\d{3,})\.\d+)([,.]\d+|)( \(\w+\)|)( Mobile\/\w+|) Safari\/|Chrome.+OPR\/(9{2}|\d{3,})\.\d+\.\d+|(CPU[ +]OS|iPhone[ +]OS|CPU[ +]iPhone|CPU IPhone OS|CPU iPad OS)[ +]+(15[._]\d+|(1[6-9]|[2-9]\d|\d{3,})[._]\d+)([._]\d+|)|Android:?[ /-](12[89]|1[3-9]\d|[2-9]\d{2}|\d{4,})(\.\d+|)(\.\d+|)|Android.+Firefox\/(12[7-9]|1[3-9]\d|[2-9]\d{2}|\d{4,})\.\d+(\.\d+|)|Android.+Chrom(ium|e)\/(12[89]|1[3-9]\d|[2-9]\d{2}|\d{4,})\.\d+(\.\d+|)|SamsungBrowser\/([2-9]\d|\d{3,})\.\d+/,legacy:/Edge?\/(1[6-9]|[2-9]\d|\d{3,})\.\d+(\.\d+|)|Firefox\/(5[4-9]|[6-9]\d|\d{3,})\.\d+(\.\d+|)|Chrom(ium|e)\/(5[1-9]|[6-9]\d|\d{3,})\.\d+(\.\d+|)([\d.]+$|.*Safari\/(?![\d.]+ Edge\/[\d.]+$))|(Maci|X1{2}).+ Version\/(10\.\d+|(1[1-9]|[2-9]\d|\d{3,})\.\d+)([,.]\d+|)( \(\w+\)|)( Mobile\/\w+|) Safari\/|Chrome.+OPR\/(3[89]|[4-9]\d|\d{3,})\.\d+\.\d+|(CPU[ +]OS|iPhone[ +]OS|CPU[ +]iPhone|CPU IPhone OS|CPU iPad OS)[ +]+(10[._]\d+|(1[1-9]|[2-9]\d|\d{3,})[._]\d+)([._]\d+|)|Android:?[ /-](12[89]|1[3-9]\d|[2-9]\d{2}|\d{4,})(\.\d+|)(\.\d+|)|Mobile Safari.+OPR\/([89]\d|\d{3,})\.\d+\.\d+|Android.+Firefox\/(12[7-9]|1[3-9]\d|[2-9]\d{2}|\d{4,})\.\d+(\.\d+|)|Android.+Chrom(ium|e)\/(12[89]|1[3-9]\d|[2-9]\d{2}|\d{4,})\.\d+(\.\d+|)|Android.+(UC? ?Browser|UCWEB|U3)[ /]?(15\.([5-9]|\d{2,})|(1[6-9]|[2-9]\d|\d{3,})\.\d+)\.\d+|SamsungBrowser\/(5\.\d+|([6-9]|\d{2,})\.\d+)|Android.+MQ{2}Browser\/(14(\.(9|\d{2,})|)|(1[5-9]|[2-9]\d|\d{3,})(\.\d+|))(\.\d+|)|K[Aa][Ii]OS\/(3\.\d+|([4-9]|\d{2,})\.\d+)(\.\d+|)/}).modern,t=o.legacy,s=navigator.userAgent,i.test(s)?"modern":(t.test(s),"legacy"));window.Shopify=window.Shopify||{};var c=window.Shopify;c.analytics=c.analytics||{};var u=c.analytics;u.replayQueue=[],u.publish=function(d,e,r){return u.replayQueue.push([d,e,r]),!0};try{self.performance.mark("wpm:start")}catch(d){}var h=[r,"/wpm","/b",n,l.substring(0,1),".js"].join("");!function(d){var e=d.src,r=d.async,a=void 0===r||r,n=d.onload,o=d.onerror,i=document.createElement("script"),t=document.head,s=document.body;i.async=a,i.src=e,n&&i.addEventListener("load",n),o&&i.addEventListener("error",o),t?t.appendChild(i):s?s.appendChild(i):console.error("Did not find a head or body element to append the script")}({src:h,async:!0,onload:function(){var r=window.webPixelsManager.init(d);e(r);var a=window.Shopify.analytics;a.replayQueue.forEach((function(d){var e=d[0],a=d[1],n=d[2];r.publishCustomEvent(e,a,n)})),a.replayQueue=[],a.publish=r.publishCustomEvent,a.visitor=r.visitor},onerror:function(){var e=d.storefrontBaseUrl.replace(/\/$/,""),r="".concat(e,"/.well-known/shopify/monorail/unstable/produce_batch"),n=JSON.stringify({metadata:{event_sent_at_ms:(new Date).getTime()},events:[{schema_id:"web_pixels_manager_load/3.1",payload:{version:a||"latest",bundle_target:l,page_url:self.location.href,status:"failed",surface:d.surface,error_msg:"".concat(h," has failed to load")},metadata:{event_created_at_ms:(new Date).getTime()}}]});try{if(self.navigator.sendBeacon.bind(self.navigator)(r,n))return!0}catch(d){}var o=new XMLHttpRequest;try{return o.open("POST",r,!0),o.setRequestHeader("Content-Type","text/plain"),o.send(n),!0}catch(d){console&&console.warn&&console.warn("[Web Pixels Manager] Got an unhandled error while logging a load error.")}return!1}})})({shopId: 6820971,storefrontBaseUrl: "https://retinaguard.com",extensionsBaseUrl: "https://extensions.shopifycdn.com/cdn/shopifycloud/web-pixels-manager",surface: "storefront-renderer",enabledBetaFlags: [],webPixelsConfigList: [{"id":"398131287","configuration":"{\"config\":\"{\\\"pixel_id\\\":\\\"G-2E5JXRYJG2\\\",\\\"gtag_events\\\":[{\\\"type\\\":\\\"purchase\\\",\\\"action_label\\\":\\\"G-2E5JXRYJG2\\\"},{\\\"type\\\":\\\"page_view\\\",\\\"action_label\\\":\\\"G-2E5JXRYJG2\\\"},{\\\"type\\\":\\\"view_item\\\",\\\"action_label\\\":\\\"G-2E5JXRYJG2\\\"},{\\\"type\\\":\\\"search\\\",\\\"action_label\\\":\\\"G-2E5JXRYJG2\\\"},{\\\"type\\\":\\\"add_to_cart\\\",\\\"action_label\\\":\\\"G-2E5JXRYJG2\\\"},{\\\"type\\\":\\\"begin_checkout\\\",\\\"action_label\\\":\\\"G-2E5JXRYJG2\\\"},{\\\"type\\\":\\\"add_payment_info\\\",\\\"action_label\\\":\\\"G-2E5JXRYJG2\\\"}],\\\"enable_monitoring_mode\\\":false}\"}","eventPayloadVersion":"v1","runtimeContext":"OPEN","scriptVersion":"afe7c2de16587d6c6689522527d6c67f","type":"APP","apiClientId":1780363,"privacyPurposes":[]},{"id":"96403543","configuration":"{\"pixel_id\":\"184133892200458\",\"pixel_type\":\"facebook_pixel\",\"metaapp_system_user_token\":\"-\"}","eventPayloadVersion":"v1","runtimeContext":"OPEN","scriptVersion":"8d894c63179843e74a9691414b5ad83d","type":"APP","apiClientId":2329312,"privacyPurposes":["ANALYTICS","MARKETING","SALE_OF_DATA"]},{"id":"shopify-app-pixel","configuration":"{}","eventPayloadVersion":"v1","runtimeContext":"STRICT","scriptVersion":"0220","apiClientId":"shopify-pixel","type":"APP","privacyPurposes":["ANALYTICS","MARKETING"]},{"id":"shopify-custom-pixel","eventPayloadVersion":"v1","runtimeContext":"LAX","scriptVersion":"0220","apiClientId":"shopify-pixel","type":"CUSTOM","privacyPurposes":["ANALYTICS","MARKETING"]}],isMerchantRequest: false,initData: {"shop":{"name":"RetinaGuard Store ","paymentSettings":{"currencyCode":"USD"},"myshopifyDomain":"retinaguard-store.myshopify.com","countryCode":"TW","storefrontUrl":"https:\/\/retinaguard.com"},"customer":null,"cart":null,"checkout":null,"productVariants":[],"purchasingCompany":null},},function pageEvents(webPixelsManagerAPI) {webPixelsManagerAPI.publish("page_viewed", {});},"https://retinaguard.com/cdn","b27e9ba05154133ea09b5744abc6221f089fce06","417a2555wec646399p8179bc53m9a4f51a3",);</script>  <script>window.ShopifyAnalytics = window.ShopifyAnalytics || {};
window.ShopifyAnalytics.meta = window.ShopifyAnalytics.meta || {};
window.ShopifyAnalytics.meta.currency = 'USD';
var meta = {"page":{"pageType":"page","resourceType":"page","resourceId":22865927}};
for (var attr in meta) {
  window.ShopifyAnalytics.meta[attr] = meta[attr];
}</script>
<script>window.ShopifyAnalytics.merchantGoogleAnalytics = function() {
  (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
  (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
  m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
  })(window,document,'script','https://www.google-analytics.com/analytics.js','ga');

  ga('create', 'UA-79233820-1', 'auto');
  ga('send', 'pageview');
};
</script>
<script class="analytics">(window.gaDevIds=window.gaDevIds||[]).push('BwiEti');


(function () {
    var customDocumentWrite = function(content) {
      var jquery = null;

      if (window.jQuery) {
        jquery = window.jQuery;
      } else if (window.Checkout && window.Checkout.$) {
        jquery = window.Checkout.$;
      }

      if (jquery) {
        jquery('body').append(content);
      }
    };

    var hasLoggedConversion = function(token) {
      if (token) {
        return document.cookie.indexOf('loggedConversion=' + token) !== -1;
      }
      return false;
    }

    var setCookieIfConversion = function(token) {
      if (token) {
        var twoMonthsFromNow = new Date(Date.now());
        twoMonthsFromNow.setMonth(twoMonthsFromNow.getMonth() + 2);

        document.cookie = 'loggedConversion=' + token + '; expires=' + twoMonthsFromNow;
      }
    }

    var trekkie = window.ShopifyAnalytics.lib = window.trekkie = window.trekkie || [];
    if (trekkie.integrations) {
      return;
    }
    trekkie.methods = [
      'identify',
      'page',
      'ready',
      'track',
      'trackForm',
      'trackLink'
    ];
    trekkie.factory = function(method) {
      return function() {
        var args = Array.prototype.slice.call(arguments);
        args.unshift(method);
        trekkie.push(args);
        return trekkie;
      };
    };
    for (var i = 0; i < trekkie.methods.length; i++) {
      var key = trekkie.methods[i];
      trekkie[key] = trekkie.factory(key);
    }
    trekkie.load = function(config) {
      trekkie.config = config || {};
      trekkie.config.initialDocumentCookie = document.cookie;
      var first = document.getElementsByTagName('script')[0];
      var script = document.createElement('script');
      script.type = 'text/javascript';
      script.onerror = function(e) {
        var scriptFallback = document.createElement('script');
        scriptFallback.type = 'text/javascript';
        scriptFallback.onerror = function(error) {
                var Monorail = {
      produce: function produce(monorailDomain, schemaId, payload) {
        var currentMs = new Date().getTime();
        var event = {
          schema_id: schemaId,
          payload: payload,
          metadata: {
            event_created_at_ms: currentMs,
            event_sent_at_ms: currentMs
          }
        };
        return Monorail.sendRequest("https://" + monorailDomain + "/v1/produce", JSON.stringify(event));
      },
      sendRequest: function sendRequest(endpointUrl, payload) {
        // Try the sendBeacon API
        if (window && window.navigator && typeof window.navigator.sendBeacon === 'function' && typeof window.Blob === 'function' && !Monorail.isIos12()) {
          var blobData = new window.Blob([payload], {
            type: 'text/plain'
          });

          if (window.navigator.sendBeacon(endpointUrl, blobData)) {
            return true;
          } // sendBeacon was not successful

        } // XHR beacon

        var xhr = new XMLHttpRequest();

        try {
          xhr.open('POST', endpointUrl);
          xhr.setRequestHeader('Content-Type', 'text/plain');
          xhr.send(payload);
        } catch (e) {
          console.log(e);
        }

        return false;
      },
      isIos12: function isIos12() {
        return window.navigator.userAgent.lastIndexOf('iPhone; CPU iPhone OS 12_') !== -1 || window.navigator.userAgent.lastIndexOf('iPad; CPU OS 12_') !== -1;
      }
    };
    Monorail.produce('monorail-edge.shopifysvc.com',
      'trekkie_storefront_load_errors/1.1',
      {shop_id: 6820971,
      theme_id: 12322459,
      app_name: "storefront",
      context_url: window.location.href,
      source_url: "//retinaguard.com/cdn/s/trekkie.storefront.99dbbdfeb1f3090da185887d7e078889edcb783c.min.js"});

        };
        scriptFallback.async = true;
        scriptFallback.src = '//retinaguard.com/cdn/s/trekkie.storefront.99dbbdfeb1f3090da185887d7e078889edcb783c.min.js';
        first.parentNode.insertBefore(scriptFallback, first);
      };
      script.async = true;
      script.src = '//retinaguard.com/cdn/s/trekkie.storefront.99dbbdfeb1f3090da185887d7e078889edcb783c.min.js';
      first.parentNode.insertBefore(script, first);
    };
    trekkie.load(
      {"Trekkie":{"appName":"storefront","development":false,"defaultAttributes":{"shopId":6820971,"isMerchantRequest":null,"themeId":12322459,"themeCityHash":"2542447832089856812","contentLanguage":"en","currency":"USD"},"isServerSideCookieWritingEnabled":true,"monorailRegion":"shop_domain"},"Google Analytics":{"trackingId":"UA-79166586-1","domain":"auto","siteSpeedSampleRate":"10","enhancedEcommerce":true,"doubleClick":true,"includeSearch":true},"Session Attribution":{},"S2S":{"facebookCapiEnabled":true,"source":"trekkie-storefront-renderer","apiClientId":580111}}
    );

    var loaded = false;
    trekkie.ready(function() {
      if (loaded) return;
      loaded = true;

      window.ShopifyAnalytics.lib = window.trekkie;

        ga('require', 'linker');
      function addListener(element, type, callback) {
        if (element.addEventListener) {
          element.addEventListener(type, callback);
        }
        else if (element.attachEvent) {
          element.attachEvent('on' + type, callback);
        }
      }
      function decorate(event) {
        event = event || window.event;
        var target = event.target || event.srcElement;
        if (target && (target.getAttribute('action') || target.getAttribute('href'))) {
          ga(function (tracker) {
            var linkerParam = tracker.get('linkerParam');
            document.cookie = '_shopify_ga=' + linkerParam + '; ' + 'path=/';
          });
        }
      }
      addListener(window, 'load', function(){
        for (var i=0; i < document.forms.length; i++) {
          var action = document.forms[i].getAttribute('action');
          if(action && action.indexOf('/cart') >= 0) {
            addListener(document.forms[i], 'submit', decorate);
          }
        }
        for (var i=0; i < document.links.length; i++) {
          var href = document.links[i].getAttribute('href');
          if(href && href.indexOf('/checkout') >= 0) {
            addListener(document.links[i], 'click', decorate);
          }
        }
      });
    

      var originalDocumentWrite = document.write;
      document.write = customDocumentWrite;
      try { window.ShopifyAnalytics.merchantGoogleAnalytics.call(this); } catch(error) {};
      document.write = originalDocumentWrite;

      window.ShopifyAnalytics.lib.page(null,{"pageType":"page","resourceType":"page","resourceId":22865927});

      var match = window.location.pathname.match(/checkouts\/(.+)\/(thank_you|post_purchase)/)
      var token = match? match[1]: undefined;
      if (!hasLoggedConversion(token)) {
        setCookieIfConversion(token);
        
      }
    });


        var eventsListenerScript = document.createElement('script');
        eventsListenerScript.async = true;
        eventsListenerScript.src = "//retinaguard.com/cdn/shopifycloud/shopify/assets/shop_events_listener-61fa9e0a912c675e178777d2b27f6cbd482f8912a6b0aa31fa3515985a8cd626.js";
        document.getElementsByTagName('head')[0].appendChild(eventsListenerScript);

})();</script>
<script class="boomerang">
(function () {
  window.BOOMR = window.BOOMR || {};
  window.BOOMR.themeName = "";
  window.BOOMR.themeVersion = "";
  window.BOOMR.shopId = 6820971;
  window.BOOMR.themeId = 12322459;
})();</script>
<script
  defer
  src="https://retinaguard.com/cdn/shopifycloud/perf-kit/shopify-perf-kit-1.0.2.min.js"
  data-application="storefront-renderer"
  data-shop-id="6820971"
  data-render-region="gcp-us-east1"
  data-page-type="page"
  data-theme-instance-id="12322459"
  data-monorail-region="shop_domain"
  data-resource-timing-sampling-rate="10"
></script>
</head>


<body class="page-retinaguard-anti-blue-light-screen-protectors-about-blue-light template-page">

  <header class="main-header">
    <div class="bg"></div>
    <div class="row top">
      <div class="columns logo-center">
        <h1 class="title clearfix" role="banner">
  
    <a href="/" role="banner" title="RetinaGuard Store ">
    <img src="//retinaguard.com/cdn/shop/t/37/assets/checkout_logo_image.png?v=140281021399951171481424918645" data-retina="//retinaguard.com/cdn/shop/t/37/assets/logo-retina.png?v=53183532997655368531424918776" alt="RetinaGuard Store "> 
    </a>
  
</h1>
      </div>

      <div class="search-account columns">
        <div class="menu">
  
    <a class="searchbar-open" href="#">Search<span aria-hidden="true" class="glyph search"></span></a>
  

    <a class="account-open" href="#">Account<span aria-hidden="true" class="glyph account"></span></a>
  
    
</div>

<div class="searchbar-container">
  <form  action="/search" method="get" role="search">
    
    <input name="q" type="text" placeholder="Search store..." class="search-box hint text" />
    
    <button class="glyph search"></button>
  </form>
  <a href="#" aria-hidden="true" class="searchbar-close glyph cross"></a>
</div>

<div class="account-container">
  
    <a href="/account/login" id="customer_login_link">Log in</a> <span class="font-normal">or</span> <a href="/account/register" id="customer_register_link">Sign Up</a>
  
  <a href="#" aria-hidden="true" class="account-close glyph cross"></a>
</div>


      </div>
      
    </div><!-- .row -->

    <div class="bottom-row">
      <div class="row">
        <div class="columns menu-container text-center">
          <div class="main-menu">
  <nav role="navigation" class="widescreen clearfix">
    <ul class="font-nav">
      
          
            <li class="nav-item dropdown">
              <a class="nav-item-link" href="/pages/about-blue-light">
                About blue light <span aria-hidden="true" class="glyph arrow-down"></span>
              </a>

                <ul class="sub-nav">
                  <li>
                    <div class="columns large-3">
                      <ul>
                      
                        <li class="sub-nav-item"><a href="/pages/over-view" title="">Overview</a></li>
                      
                        <li class="sub-nav-item"><a href="/pages/insomnia" title="">Insomnia</a></li>
                      
                        <li class="sub-nav-item"><a href="/pages/vision-loss" title="">Vision Loss</a></li>
                      
                        <li class="sub-nav-item"><a href="/pages/children-elderly" title="">Children & Elderly</a></li>
                      
                        <li class="sub-nav-item"><a href="/pages/present-media" title="">Press & Media</a></li>
                      
                      </ul>
                    </div>
                  </li>
                </ul>
            </li>

          
            <li class="nav-item dropdown">
              <a class="nav-item-link" href="/collections/all">
                Anti-Blue Light Screen Protectors <span aria-hidden="true" class="glyph arrow-down"></span>
              </a>

              <ul class="sub-nav catalog">              
                <li class="sub-nav-item row">
                  
                    <div class="columns large-3">
                      
                        <h3 class="title">iPhone</h3>
                      
                      <ul>
                        
                           <li><a href="/collections/pet-iphone-12-mini-12-12-pro-12-pro-max" title="">iPhone 12 ‧ 12 mini ‧ 12 Pro ‧ 12 Pro Max</a></li>
                        
                           <li><a href="/collections/pet-iphone-x-xr-xs-xs-max-1" title="">iPhone 11 ‧ 11Pro ‧ 11 Pro Max</a></li>
                        
                           <li><a href="/collections/pet-iphone-x-xr-xs-xs-max" title="">iPhone X ‧ XR ‧ Xs ‧ Xs Max</a></li>
                        
                           <li><a href="/collections/pet-iphone-8-8-plus" title="">iPhone SE ‧ 2020 iPhone 8 ‧ 8 Plus</a></li>
                        
                           <li><a href="/collections/nintendo-switch" title="">Nintendo Switch</a></li>
                        
                      </ul>
                    </div>
                  

                    <div class="columns large-3">
                      
                        <h3 class="title">iPad</h3>
                      
                      <ul>
                        
                           <li><a href="/collections/pet-2021-ipad-pro" title="">2021 iPad Pro</a></li>
                        
                           <li><a href="/collections/pet-2020-ipad-air-4" title="">2020 iPad Air 4</a></li>
                        
                           <li><a href="/collections/ipad-pro" title="">2020 iPad Pro ‧ 2018 iPad Pro </a></li>
                        
                           <li><a href="/collections/ipad-air" title="">2019 iPad Air 3 ‧ Air 2 ‧ Air </a></li>
                        
                           <li><a href="/collections/2019-ipad" title="">2020 iPad 8th Gen ‧ 2019 iPad 7th Gen</a></li>
                        
                           <li><a href="/products/anti-blue-light-screen-protector-black-border" title="">2019 iPad mini 5 / iPad mini 4</a></li>
                        
                           <li><a href="/collections/ipad-mini-retina" title="">iPad mini ‧ mini 2 ‧ mini 3</a></li>
                        
                           <li><a href="/collections/ipad-4-new-ipad" title="">iPad 4 ‧ New iPad</a></li>
                        
                      </ul>
                    </div>
                  

                    <div class="columns large-3">
                      
                        <h3 class="title">Macbook</h3>
                      
                      <ul>
                        
                           <li><a href="/collections/macbook-pro-15-13" title="">Macbook Pro</a></li>
                        
                           <li><a href="/collections/macbook-air" title="">Macbook Air</a></li>
                        
                      </ul>
                    </div>
                  

                    <div class="columns large-3">
                      
                        <h3 class="title">Android</h3>
                      
                      <ul>
                        
                      </ul>
                    </div>
                  

                </li>
              </ul>
            </li>
          

            <li class="nav-item dropdown">
              <a class="nav-item-link" href="/pages/anti-blue-light-tempered-glass-screen-protector">
                Tempered Glass Screen Protectors <span aria-hidden="true" class="glyph arrow-down"></span>
              </a>

                <ul class="sub-nav">
                  <li>
                    <div class="columns large-3">
                      <ul>
                      
                        <li class="sub-nav-item"><a href="https://retinaguard.com/collections/current-models/products/anti-blue-light-tempered-glass-screen-protectors-for-iphone-15" title="">iPhone 15‧ 15 Plus ‧ 15 Pro ‧ 15 Pro Max</a></li>
                      
                        <li class="sub-nav-item"><a href="/collections/anti-blue-light-tempered-glass-screen-protector-iphone-14-14-plus-14-pro-14-pro-max" title="">iPhone 14 ‧ 14 Plus ‧ 14 Pro ‧ 14 Pro Max</a></li>
                      
                        <li class="sub-nav-item"><a href="/collections/anti-blue-light-tempered-glass-screen-protector-iphone-13-13-mini-13-pro-13-pro-max" title="">iPhone 13 ‧ 13 mini ‧ 13 Pro ‧ 13 Pro Max</a></li>
                      
                        <li class="sub-nav-item"><a href="/collections/anti-blue-light-tempered-glass-screen-protector-iphone-12-12-mini-12-pro-12-pro-max" title="">iPhone 12 ‧ 12 mini ‧ 12 Pro ‧ 12 Pro Max</a></li>
                      
                        <li class="sub-nav-item"><a href="/collections/anti-blue-light-tempered-glass-screen-protector-iphone-11-11-11-pro-11-pro-max" title="">iPhone 11 ‧ 11 Pro ‧ 11 Pro Max</a></li>
                      
                        <li class="sub-nav-item"><a href="/collections/anti-blue-light-tempered-glass-screen-protector-iphone-x-xr-xs-xs-max" title="">iPhone X ‧ XR ‧ Xs ‧ Xs Max</a></li>
                      
                        <li class="sub-nav-item"><a href="/collections/iphone-8-iphone-8-plus-iphone-x" title="">iPhone SE 2020 ‧ iPhone 8 ‧ 8 Plus</a></li>
                      
                        <li class="sub-nav-item"><a href="/collections/anti-blue-light-tempered-glass-screen-protector-for-ipad-pro" title="">iPad Pro</a></li>
                      
                        <li class="sub-nav-item"><a href="/collections/anti-blue-light-tempered-glass-screen-protector-for-ipad-air" title="">iPad Air</a></li>
                      
                        <li class="sub-nav-item"><a href="/collections/anti-blue-light-tempered-glass-screen-protector-for-ipad-mini" title="">iPad mini</a></li>
                      
                        <li class="sub-nav-item"><a href="/collections/anti-blue-light-tempered-glass-screen-protector-for-ipad" title="">iPad</a></li>
                      
                      </ul>
                    </div>
                  </li>
                </ul>
            </li>

          
            <li class="nav-item">
              <a class="nav-item-link" href="/collections/anti-glare-ant-blue-light-screen-protectors">
                ANTI-GLARE + ANT-BLUE LIGHT
              </a>
            </li>
          

            <li class="nav-item">
              <a class="nav-item-link" href="/blogs/news">
                Blog
              </a>
            </li>
          

            <li class="nav-item">
              <a class="nav-item-link" href="/pages/instruction">
                Instructions
              </a>
            </li>
          

    </ul>
  </nav>

</div>

        </div>
        
        <div class="columns cart-container">
           <div class="cart">
 	<div class="show-for-medium-up">
	  <a class="cart-link" href="/cart">Cart <span class="number-wrapper hide">(<span class="number">0</span>)</span><span aria-hidden="true" class="glyph cart"></span></a>

		<div class="recently-added">
		  <table width="100%">
			  <thead>
			    <tr>
			      <td colspan="3">Recently Added</td>
			    </tr>
			  </thead>
			  
			  <tbody>
					

			  </tbody>

			  <tfoot>
			    <tr>
						<td class="items-count"><a href="/cart"><span class="number">0</span> Items</a></td>
						<td colspan="2" class="text-right"><strong>TOTAL <span class="total-price" style="margin-left:5px;">$0.00</span></strong></td>
			    </tr>
			  </tfoot>
			  
			</table>

			<div class="row"> 
			  <div class="checkout columns">
			    <a class="button" href="/cart">Go to Checkout</a>
			  </div><!-- #cart-meta -->
			</div>

			<div class="error">
			  <p>The item you just added is unavailable. Please select another product or variant.</p>
			</div>

		</div>
	</div>

	<div class="show-for-small hide-for-ie9-down">
		<div class="recently-added-mask hide"></div>
		<div class="recently-added mobile">
			<a aria-hidden="true" class="close glyph cross"></a>
			

			<div class="row">
				<div class="columns">
					<p><strong>RECENTLY ADDED</strong></p>
					<p class="mobile-item"></p>
					<p class="items-count"><a href="/cart"><span class="number">0</span> Items</a></p>
					<p><strong>TOTAL <span class="total-price" style="margin-left:5px;">$0.00</span></strong></p>
				</div>
			</div>

			<div class="row">
			  <div class="checkout columns">
			    <a class="button" href="/cart">Go to Checkout</a>
			  </div><!-- #cart-meta -->
			</div>

			<div class="error">
			  <p>The item you just added is unavailable. Please select another product or variant.</p>
			</div>

		</div>
	</div>


</div>


        </div>

        <div class="mobile-tools">
          <a class="glyph menu" href=""></a>
          
          <a href="/search" class="glyph search"></a>
          
          
          <a href="/account" class="glyph account"></a>
          
          <a href="/cart" class="glyph cart"></a>

        </div>
      </div>
    </div>

    <div class="main-menu-dropdown-panel">
      <div class="row text-center">
      
      </div>
    </div>

    <div class="mobile-menu">
      <nav role="navigation">
  <ul class="font-nav">
    
        
          <li class="nav-item dropdown">
            <a class="dropdown-link" href="/pages/about-blue-light">
              About blue light <span aria-hidden="true" class="glyph plus"></span><span aria-hidden="true" class="glyph minus"></span>
            </a>
            <ul class="sub-nav">
              <li class="bg"></li>
              
                <li class="sub-nav-item"><a href="/pages/over-view" title="">Overview</a></li>
              
                <li class="sub-nav-item"><a href="/pages/insomnia" title="">Insomnia</a></li>
              
                <li class="sub-nav-item"><a href="/pages/vision-loss" title="">Vision Loss</a></li>
              
                <li class="sub-nav-item"><a href="/pages/children-elderly" title="">Children & Elderly</a></li>
              
                <li class="sub-nav-item"><a href="/pages/present-media" title="">Press & Media</a></li>
              
            </ul>
          </li>

        
          <li class="nav-item dropdown">
            <a class="dropdown-link" href="/collections/all">
              Anti-Blue Light Screen Protectors <span aria-hidden="true" class="glyph plus"></span><span aria-hidden="true" class="glyph minus"></span>
            </a>

            <ul class="sub-nav catalog">
              <li class="bg"></li>
              
              <li class="sub-nav-item">
                    <a class="dropdown-link" href="">iPhone <span aria-hidden="true" class="glyph plus"></span><span aria-hidden="true" class="glyph minus"></span></a>
                    <ul class="sub-nav">
                      <li class="bg"></li>
                      
                         <li><a href="/collections/pet-iphone-12-mini-12-12-pro-12-pro-max" title="">iPhone 12 ‧ 12 mini ‧ 12 Pro ‧ 12 Pro Max</a></li>
                      
                         <li><a href="/collections/pet-iphone-x-xr-xs-xs-max-1" title="">iPhone 11 ‧ 11Pro ‧ 11 Pro Max</a></li>
                      
                         <li><a href="/collections/pet-iphone-x-xr-xs-xs-max" title="">iPhone X ‧ XR ‧ Xs ‧ Xs Max</a></li>
                      
                         <li><a href="/collections/pet-iphone-8-8-plus" title="">iPhone SE ‧ 2020 iPhone 8 ‧ 8 Plus</a></li>
                      
                         <li><a href="/collections/nintendo-switch" title="">Nintendo Switch</a></li>
                      
                    </ul>
              </li>
              

              <li class="sub-nav-item">
                    <a class="dropdown-link" href="">iPad <span aria-hidden="true" class="glyph plus"></span><span aria-hidden="true" class="glyph minus"></span></a>
                    <ul class="sub-nav">
                      <li class="bg"></li>
                      
                         <li><a href="/collections/pet-2021-ipad-pro" title="">2021 iPad Pro</a></li>
                      
                         <li><a href="/collections/pet-2020-ipad-air-4" title="">2020 iPad Air 4</a></li>
                      
                         <li><a href="/collections/ipad-pro" title="">2020 iPad Pro ‧ 2018 iPad Pro </a></li>
                      
                         <li><a href="/collections/ipad-air" title="">2019 iPad Air 3 ‧ Air 2 ‧ Air </a></li>
                      
                         <li><a href="/collections/2019-ipad" title="">2020 iPad 8th Gen ‧ 2019 iPad 7th Gen</a></li>
                      
                         <li><a href="/products/anti-blue-light-screen-protector-black-border" title="">2019 iPad mini 5 / iPad mini 4</a></li>
                      
                         <li><a href="/collections/ipad-mini-retina" title="">iPad mini ‧ mini 2 ‧ mini 3</a></li>
                      
                         <li><a href="/collections/ipad-4-new-ipad" title="">iPad 4 ‧ New iPad</a></li>
                      
                    </ul>
              </li>
              

              <li class="sub-nav-item">
                    <a class="dropdown-link" href="">Macbook <span aria-hidden="true" class="glyph plus"></span><span aria-hidden="true" class="glyph minus"></span></a>
                    <ul class="sub-nav">
                      <li class="bg"></li>
                      
                         <li><a href="/collections/macbook-pro-15-13" title="">Macbook Pro</a></li>
                      
                         <li><a href="/collections/macbook-air" title="">Macbook Air</a></li>
                      
                    </ul>
              </li>
              

              <li class="sub-nav-item">
                    <a class="dropdown-link" href="">Android <span aria-hidden="true" class="glyph plus"></span><span aria-hidden="true" class="glyph minus"></span></a>
                    <ul class="sub-nav">
                      <li class="bg"></li>
                      
                    </ul>
              </li>
              

            </ul>
          </li>
        

          <li class="nav-item dropdown">
            <a class="dropdown-link" href="/pages/anti-blue-light-tempered-glass-screen-protector">
              Tempered Glass Screen Protectors <span aria-hidden="true" class="glyph plus"></span><span aria-hidden="true" class="glyph minus"></span>
            </a>
            <ul class="sub-nav">
              <li class="bg"></li>
              
                <li class="sub-nav-item"><a href="https://retinaguard.com/collections/current-models/products/anti-blue-light-tempered-glass-screen-protectors-for-iphone-15" title="">iPhone 15‧ 15 Plus ‧ 15 Pro ‧ 15 Pro Max</a></li>
              
                <li class="sub-nav-item"><a href="/collections/anti-blue-light-tempered-glass-screen-protector-iphone-14-14-plus-14-pro-14-pro-max" title="">iPhone 14 ‧ 14 Plus ‧ 14 Pro ‧ 14 Pro Max</a></li>
              
                <li class="sub-nav-item"><a href="/collections/anti-blue-light-tempered-glass-screen-protector-iphone-13-13-mini-13-pro-13-pro-max" title="">iPhone 13 ‧ 13 mini ‧ 13 Pro ‧ 13 Pro Max</a></li>
              
                <li class="sub-nav-item"><a href="/collections/anti-blue-light-tempered-glass-screen-protector-iphone-12-12-mini-12-pro-12-pro-max" title="">iPhone 12 ‧ 12 mini ‧ 12 Pro ‧ 12 Pro Max</a></li>
              
                <li class="sub-nav-item"><a href="/collections/anti-blue-light-tempered-glass-screen-protector-iphone-11-11-11-pro-11-pro-max" title="">iPhone 11 ‧ 11 Pro ‧ 11 Pro Max</a></li>
              
                <li class="sub-nav-item"><a href="/collections/anti-blue-light-tempered-glass-screen-protector-iphone-x-xr-xs-xs-max" title="">iPhone X ‧ XR ‧ Xs ‧ Xs Max</a></li>
              
                <li class="sub-nav-item"><a href="/collections/iphone-8-iphone-8-plus-iphone-x" title="">iPhone SE 2020 ‧ iPhone 8 ‧ 8 Plus</a></li>
              
                <li class="sub-nav-item"><a href="/collections/anti-blue-light-tempered-glass-screen-protector-for-ipad-pro" title="">iPad Pro</a></li>
              
                <li class="sub-nav-item"><a href="/collections/anti-blue-light-tempered-glass-screen-protector-for-ipad-air" title="">iPad Air</a></li>
              
                <li class="sub-nav-item"><a href="/collections/anti-blue-light-tempered-glass-screen-protector-for-ipad-mini" title="">iPad mini</a></li>
              
                <li class="sub-nav-item"><a href="/collections/anti-blue-light-tempered-glass-screen-protector-for-ipad" title="">iPad</a></li>
              
            </ul>
          </li>

        
          <li class="nav-item">
            <a class="nav-item-link" href="/collections/anti-glare-ant-blue-light-screen-protectors">
              ANTI-GLARE + ANT-BLUE LIGHT
            </a>
          </li>
        

          <li class="nav-item">
            <a class="nav-item-link" href="/blogs/news">
              Blog
            </a>
          </li>
        

          <li class="nav-item">
            <a class="nav-item-link" href="/pages/instruction">
              Instructions
            </a>
          </li>
        

  </ul>
</nav>

    </div>

    <div class="row">
      <div class="header-divider"></div>
    </div>

  </header>

  <section class="main-content">
    
      <div class="row full-width">
  <div class="columns">
    
    <div class="page-content">
    	
      <h1 class="page-title">About blue light</h1>
      <div class="rte-content colored-links">
	      <div style="text-align: center;"><img src="//cdn.shopify.com/s/files/1/0682/0971/files/about_blue_light_01.jpg?8735" /></div>
<h3>                                                                      <span style="color: #6fa8dc;"><a href="http://edition.cnn.com/2013/11/12/health/upwave-computer-eyes/" target="_blank" style="color: #6fa8dc;">Are computer screens damaging your eyes?</a>                                     <a href="http://www.bdtonline.com/online_features/health_and_wellness/article_bcdc3c79-ef56-5588-8039-2c1804730d2c.html" target="_blank" style="color: #6fa8dc;">Protect Your Eyes from ‘Blue Light’</a></span></h3>
<p>                                                                                                                                                                                                        <span>CNN</span>                                                                                                                    Daily Telegraph</p>
<div style="text-align: center;"><img src="//cdn.shopify.com/s/files/1/0682/0971/files/about_blue_light_07.jpg?8760" /></div>
<h3 itemprop="headline"><span style="color: #6fa8dc;">                                                                      <a href="http://www.bbc.co.uk/newsbeat/26780069" target="_blank" style="color: #6fa8dc;">Smartphone overuse may 'damage' eyes</a>                 </span><a href="http://www.usatoday.com/story/news/nation/2014/01/25/digital-eye-strain/4491611/" target="_blank" style="color: #6fa8dc;">Digital device use leads to eye strain, even in kids</a></h3>
<p>                                                                                                                                                                                                BBC                                                                                                                                  USA TODAY</p>
<div></div>
<div style="text-align: center;"><img src="//cdn.shopify.com/s/files/1/0682/0971/files/about_blue_light_03.jpg?8736" /></div>
<h3 class="page__title title" id="page-title"><span style="color: #6fa8dc;">                                                                      <a href="https://www.macular.org/what-macular-degeneration" target="_blank" style="color: #6fa8dc;">What is Macular Degeneration?</a>                                                                         </span><a href="https://www.macular.org/ultra-violet-and-blue-light" target="_blank" style="color: #6fa8dc;">Ultra-violet and Blue Light</a></h3>
<p>                                                                                                           <span>American Macular Degeneration Foundation</span>                                                                                                     American Macular Degeneration Foundation</p>
<div style="text-align: center;"><img src="//cdn.shopify.com/s/files/1/0682/0971/files/about_blue_light_04.jpg?8737" /></div>
<div>
<h3>                                                                      <span style="color: #6fa8dc;"><a href="http://www.utsandiego.com/news/2014/mar/12/macular-degeneration-hanneken-angiogenesis/?#article-copy" target="_blank" style="color: #6fa8dc;">Macular degeneration: Incurable, but progress being made</a>                    </span><a href="http://www.dailymail.co.uk/health/article-2324325/Do-environmentally-friendly-LED-lights-cause-BLINDNESS.html" target="_blank" style="color: #6fa8dc;">LED lights cause BLINDNESS?</a></h3>
<p>                                                                                                                                                                                                                             San Diego News                                                                                      Daily Mail</p>
</div>
<div style="text-align: center;"><img src="//cdn.shopify.com/s/files/1/0682/0971/files/about_blue_light_05.jpg?8740" /> </div>
<div>
<h3 class="title"><span style="color: #6fa8dc;">                                                                     <a href="http://www.health.harvard.edu/newsletters/harvard_health_letter/2012/may/blue-light-has-a-dark-side/" target="_blank" style="color: #6fa8dc;">Blue light has a dark side</a>                                                         </span><a href="http://www.washingtonpost.com/national/health-science/blue-light-from-electronics-disturbs-sleep-especially-for-teenagers/2014/08/29/3edd2726-27a7-11e4-958c-268a320a60ce_story.html" target="_blank" style="color: #6fa8dc;">Blue light from electronics disturbs sleep,<br /></a>                                                                                                                                                                           <a href="http://www.washingtonpost.com/national/health-science/blue-light-from-electronics-disturbs-sleep-especially-for-teenagers/2014/08/29/3edd2726-27a7-11e4-958c-268a320a60ce_story.html" target="_blank" style="color: #6fa8dc;">especially for teenagers</a></h3>
<p class="title">                                                                                                                    Harvard Health Publications                                                                                                                                                          The Washington Post</p>
</div>
<div style="text-align: center;"></div>
	    </div>
    </div>

  </div>
</div>
<div class="fb-page" data-href="https://www.facebook.com/RetinaGuard-Anti-Blue-Light-Expert-396468800453429/" data-small-header="true" data-adapt-container-width="false" data-hide-cover="false" data-show-facepile="false" data-show-posts="false"></div>
  </section>

  <footer class="main-footer">

    <div class="row bottom">
      <div class="column-1 large-4 columns">
        <h2 class="title">RetinaGuard Store</h2>
        <div class="content">
          <p class="text">Worldwide shipping<br />
- Free shipping on orders over  $35 ( US ONLY )<br />
<br />
LCW Fashion Limited (Taipei)<br />
support@retinaguard.com<br />
<br />
Copyright © 2019 RetinaGuard All rights reserved</p>
        </div>

      </div>
      <div class="column-2 large-4 columns">
        <h2 class="title">Info</h2>
        
        <div class="content">
          
          
          <ul class="footer-nav plain-list" role="navigation">
          
            <li><a href="/search" title="Search">Search</a></li>
          
            <li><a href="/pages/about-us" title="About Us">About Us</a></li>
          
            <li><a href="/pages/customer-service" title="Customer Service">Customer Service</a></li>
          
            <li><a href="/pages/track-order-status" title="Track Order Status">Track Order Status</a></li>
          
            <li><a href="/pages/contact-us" title="Contact us">Contact us</a></li>
          
          </ul>
          
        </div>

      </div>


      <div class="column-3 large-4 columns">
        
          
            <h2 class="title">Subscribe Newsletter</h2>
          

          <div class="content" id="mailing-list-module">
            

              <form method="post" action="/contact#contact_form" id="contact_form" accept-charset="UTF-8" class="contact-form"><input type="hidden" name="form_type" value="customer" /><input type="hidden" name="utf8" value="✓" />        
              
                     
            <input type="hidden" id="contact_tags" name="contact[tags]" value="newsletter" />
            <input type="hidden" id="newsletter-first-name" name="contact[first_name]" value="Subscriber" />
            <input type="hidden" id="newsletter-last-name" name="contact[last_name]" value="Newsletter" />

            <div class="row collapse">
              <div class="small-10 large-10 columns" style="padding-right: 10px;">
                <input type="email" placeholder="Your Email" name="contact[email]" />
              </div>
              <div class="small-2 large-2 columns">
                <input type="submit" class="button prefix" value="OK" name="subscribe" id="email-submit" />
              </div>
            </div>
            
            </form> 
            
          
          <div class="social-follow">
            <a title="Facebook" aria-hidden="true" target="_blank" class="glyph facebook" href="https://www.facebook.com/RetinaGuardexpert/"></a>
            
            
            <a title="Youtube" aria-hidden="true" target="_blank" class="glyph youtube" href="https://www.youtube.com/channel/UCiYIu5MgMAFAqw_WFy1ziBQ"></a>
            

          </div>
        </div> 
      </div>
    </div>

    <div class="row">
      <div class="columns">
         
          <ul class="payment-options">
            
            
            <li aria-hidden="true" class="glyph visa"></li>
            <li aria-hidden="true" class="glyph mastercard"></li>
            
            
            <li aria-hidden="true" class="glyph paypal"></li>
            
          </ul>
        
      </div>
    </div>
  </footer>

  <script src="//retinaguard.com/cdn/shop/t/37/assets/plugins.js?v=101110298713918317141421635182" type="text/javascript"></script>
  <script src="//retinaguard.com/cdn/shop/t/37/assets/shop.js?v=182837613790029778151421635183" type="text/javascript"></script>
  
  
<input type="hidden" name="_pc_params" value="retinaguard-store.myshopify.com:" />

 
<!-- Shopping cart -->

<div class="nosto_cart" style="display:none">

</div>

 
<!-- BEEKETINGSCRIPT CODE START --><!-- BEEKETINGSCRIPT CODE END -->

  
 <!-- Google 再营销代码 -->
<!--------------------------------------------------
再营销代码不得与个人身份信息相关联，也不得放置在与敏感类别相关的网页上。有关如何设置代码的详细信息和说明，请访问：http://google.com/ads/remarketingsetup
--------------------------------------------------->
<script type="text/javascript">
var google_tag_params = {
ecomm_prodid: 'REPLACE_WITH_VALUE',
ecomm_pagetype: 'REPLACE_WITH_VALUE',
ecomm_totalvalue: 'REPLACE_WITH_VALUE',
};
</script>
<script type="text/javascript">
/* <![CDATA[ */
var google_conversion_id = 937295644;
var google_custom_params = window.google_tag_params;
var google_remarketing_only = true;
/* ]]> */
</script>
<script type="text/javascript" src="//www.googleadservices.com/pagead/conversion.js">
</script>
<noscript>
<div style="display:inline;">
<img height="1" width="1" style="border-style:none;" alt="" src="//googleads.g.doubleclick.net/pagead/viewthroughconversion/937295644/?value=0&amp;guid=ON&amp;script=0"/>
</div>
</noscript>
  

<script>
    if(!window.PomFirstLoad){
        if(typeof(Spurit) === 'undefined'){
            var Spurit = {};
        }
        if(!Spurit.Preorder2){
            Spurit.Preorder2 = {};
        }
        if(!Spurit.Preorder2.snippet){
        Spurit.Preorder2.snippet = {};
        }
        if(!Spurit.Preorder2.snippet.products){
        Spurit.Preorder2.snippet.products = {};
        }
        Spurit.Preorder2.snippet.shopHash = '9145d9b08cb2dac00b59c009239dc1bd';
        Spurit.Preorder2.snippet.cacheTimestamp = 1698290891;

        if(typeof(Spurit.globalSnippet) === 'undefined'){
            Spurit.globalSnippet = {
                shop_currency: 'USD',
                money_format: '${{amount}}',
                cart: {"note":null,"attributes":{},"original_total_price":0,"total_price":0,"total_discount":0,"total_weight":0.0,"item_count":0,"items":[],"requires_shipping":false,"currency":"USD","items_subtotal_price":0,"cart_level_discount_applications":[],"checkout_charge_amount":0},
                customer_id: ''
            };
        }

        
    }
</script>

<script>
  (function() {
    setTimeout(() => document.querySelector('body').classList.add('spo-loaded'), 5000)
  })();
</script>

    <script>
        if(!window.PomFirstLoad){
            window.PomFirstLoad = true;
            let script = document.createElement("script");  // create a script DOM node
            script.src = "https://amaicdn.com/preorder2/common.js";  // set its src to the provided URL
            document.head.appendChild(script);
        }
    </script>


  <script src="" defer></script>
</body>

<div id="fb-root"></div>
<script>(function(d, s, id) {
  var js, fjs = d.getElementsByTagName(s)[0];
  if (d.getElementById(id)) return;
  js = d.createElement(s); js.id = id;
  js.src = "//connect.facebook.net/en_US/sdk.js#xfbml=1&version=v2.5";
  fjs.parentNode.insertBefore(js, fjs);
}(document, 'script', 'facebook-jssdk'));</script>

</html>