{"version":"1.0","provider_name":"Livision","provider_url":"https:\/\/livision-optika.com\/edukativni-centar\/en\/","author_name":"admin","author_url":"https:\/\/livision-optika.com\/edukativni-centar\/en\/author\/admin\/","title":"The eye and physics","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"DA4RAo0Dxp\"><a href=\"https:\/\/livision-optika.com\/edukativni-centar\/en\/the-eye-and-physics\/\">The eye and physics<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/livision-optika.com\/edukativni-centar\/en\/the-eye-and-physics\/embed\/#?secret=DA4RAo0Dxp\" width=\"600\" height=\"338\" title=\"&#8220;The eye and physics&#8221; &#8212; Livision\" data-secret=\"DA4RAo0Dxp\" 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:\/\/livision-optika.com\/edukativni-centar\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/livision-optika.com\/edukativni-centar\/wp-content\/uploads\/2024\/11\/fizika_oka-1024x336.png","thumbnail_width":1024,"thumbnail_height":336,"description":"A normal eye sees clearly if it creates images on the retina. Since the distance of the retina from the entrance surface of the cornea is constant, it is necessary for the eye to increase its convergence (strength) the more the object it observes is closer. Thus, the eye accommodates, i.e. adjusts the intensity according [&hellip;]"}