{"version":"1.0","provider_name":"Asociaci\u00f3n de Maestros Jubilados de Texas","provider_url":"https:\/\/trta.org\/es","title":"What Famous Person in American History Invented Bifocals? - Texas Retired Teachers Association","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"tsv2k89rkq\"><a href=\"https:\/\/trta.org\/es\/retirement\/what-famous-person-in-american-history-invented-bifocals\/\">\u00bfQu\u00e9 persona famosa de la historia de Estados Unidos invent\u00f3 los bifocales?<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/trta.org\/es\/retirement\/what-famous-person-in-american-history-invented-bifocals\/embed\/#?secret=tsv2k89rkq\" width=\"600\" height=\"338\" title=\"\u00abWhat Famous Person in American History Invented Bifocals?\u00bb \u2014 Texas Retired Teachers Association\" data-secret=\"tsv2k89rkq\" 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:\/\/trta.org\/wp-includes\/js\/wp-embed.min.js\n<\/script>","thumbnail_url":"https:\/\/trta.org\/wp-content\/uploads\/2023\/04\/Vision-Care-Blog.png","thumbnail_width":1000,"thumbnail_height":644,"description":"When you think of the greatest inventions humankind created, answers like \u201cthe wheel\u201d, \u201cthe printing press\u201d, or \u201cthe internet\u201d come readily to mind. But the importance of corrective lenses \u2013 eyeglasses, including bifocals \u2013 is frequently (apologies for the pun) overlooked. But eyeglasses for visual aid are one of the most common \u2013 and essential [&hellip;]"}