{"version":"1.0","provider_name":"Cheap Prescription Glasses","provider_url":"https:\/\/www.cheapglasses123.com\/glasses","author_name":"Glasses Expert","author_url":"https:\/\/www.cheapglasses123.com\/glasses\/author\/admin","title":"An introduction to bifocal eyeglasses - Cheap Prescription Glasses","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"7TC2e0P5tU\"><a href=\"https:\/\/www.cheapglasses123.com\/glasses\/an-introduction-to-bifocal-eyeglasses.html\">An introduction to bifocal eyeglasses<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.cheapglasses123.com\/glasses\/an-introduction-to-bifocal-eyeglasses.html\/embed#?secret=7TC2e0P5tU\" width=\"600\" height=\"338\" title=\"&#8220;An introduction to bifocal eyeglasses&#8221; &#8212; Cheap Prescription Glasses\" data-secret=\"7TC2e0P5tU\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\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.cheapglasses123.com\/glasses\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"Bifocal eyeglasses are very useful. After all, they help to correct both near as well as far vision. After the introduction of the first bifocals, people no longer had to rely on separate pair of glasses to correct their near and far vision problems. In fact, they were so useful that even those who were&hellip;&nbsp;"}