{"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":"What is a diopter?","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"bHuys2DV0K\"><a href=\"https:\/\/livision-optika.com\/edukativni-centar\/en\/what-is-a-diopter\/\">What is a diopter?<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/livision-optika.com\/edukativni-centar\/en\/what-is-a-diopter\/embed\/#?secret=bHuys2DV0K\" width=\"600\" height=\"338\" title=\"&#8220;What is a diopter?&#8221; &#8212; Livision\" data-secret=\"bHuys2DV0K\" 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":"Dioptric strength of the lens (convergence of the lens).The power of the lens D is the reciprocal of the focal length expressed in meters. The strength of the lens is expressed in reciprocal meters. Convergent lenses have positive optical power, and divergent lenses have negative dioptric power. The dioptric power of the lens is proportional [&hellip;]"}