{"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":"pupillary distance (PD): Definition, Uses, and Clinical Overview - Best Eye Hospitals","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"BnMjvOcJPS\"><a href=\"https:\/\/www.besteyehospitals.com\/blog\/pupillary-distance-pd-definition-uses-and-clinical-overview\/\">pupillary distance (PD): Definition, Uses, and Clinical Overview<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.besteyehospitals.com\/blog\/pupillary-distance-pd-definition-uses-and-clinical-overview\/embed\/#?secret=BnMjvOcJPS\" width=\"600\" height=\"338\" title=\"&#8220;pupillary distance (PD): Definition, Uses, and Clinical Overview&#8221; &#8212; Best Eye Hospitals\" data-secret=\"BnMjvOcJPS\" 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":"pupillary distance (PD) is the distance between the centers of the two pupils. It is most commonly used to center eyeglass lenses so the optical zones align with the eyes. It can be measured for distance viewing and for near tasks like reading. It is a practical measurement used in optometry, ophthalmology, and optical dispensing."}