{"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":"trochlear palsy: Definition, Uses, and Clinical Overview - Best Eye Hospitals","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"mIPBYGAE9s\"><a href=\"https:\/\/www.besteyehospitals.com\/blog\/trochlear-palsy-definition-uses-and-clinical-overview\/\">trochlear palsy: Definition, Uses, and Clinical Overview<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.besteyehospitals.com\/blog\/trochlear-palsy-definition-uses-and-clinical-overview\/embed\/#?secret=mIPBYGAE9s\" width=\"600\" height=\"338\" title=\"&#8220;trochlear palsy: Definition, Uses, and Clinical Overview&#8221; &#8212; Best Eye Hospitals\" data-secret=\"mIPBYGAE9s\" 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":"trochlear palsy is a problem with the fourth cranial nerve, which helps control one of the eye\u2019s moving muscles. It commonly causes vertical double vision and a head tilt that feels \u201cneeded\u201d to see clearly. The term is used in ophthalmology, optometry, neurology, and emergency care when evaluating binocular vision symptoms. It can be present from birth or acquired later in life."}