{"version":"1.0","provider_name":"Best Eye Hospitals","provider_url":"https:\/\/www.besteyehospitals.com\/blog","author_name":"dreye","author_url":"https:\/\/www.besteyehospitals.com\/blog\/author\/dreye\/","title":"photochromic lenses: Definition, Uses, and Clinical Overview - Best Eye Hospitals","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"ikn6EwkaSp\"><a href=\"https:\/\/www.besteyehospitals.com\/blog\/photochromic-lenses-definition-uses-and-clinical-overview\/\">photochromic lenses: Definition, Uses, and Clinical Overview<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.besteyehospitals.com\/blog\/photochromic-lenses-definition-uses-and-clinical-overview\/embed\/#?secret=ikn6EwkaSp\" width=\"600\" height=\"338\" title=\"&#8220;photochromic lenses: Definition, Uses, and Clinical Overview&#8221; &#8212; Best Eye Hospitals\" data-secret=\"ikn6EwkaSp\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.besteyehospitals.com\/blog\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","description":"photochromic lenses are eyeglass (and some contact or implant) lenses that darken in response to ultraviolet (UV) light and lighten again indoors. They are commonly used in everyday prescription glasses and non-prescription eyewear to reduce brightness outdoors. They aim to provide convenient, automatic light adaptation without switching between clear glasses and sunglasses. Performance and features vary by material and manufacturer."}