1.0ICEHhttps://blogs.lshtm.ac.uk/iceh-newrich600338<blockquote class="wp-embedded-content" data-secret="FXImFMFUQb"><a href="https://blogs.lshtm.ac.uk/iceh-new/project/cataract-case-mix-study/">Cataract case mix study</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://blogs.lshtm.ac.uk/iceh-new/project/cataract-case-mix-study/embed/#?secret=FXImFMFUQb" width="600" height="338" title="“Cataract case mix study” — ICEH" data-secret="FXImFMFUQb" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !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); //# sourceURL=https://iceh.lshtm.ac.uk/wp-includes/js/wp-embed.min.js /* ]]> */ </script> https://iceh.lshtm.ac.uk/files/2020/07/49344746423_abd4484f28_k.jpg20481324[et_pb_section admin_label=”section”] [et_pb_row admin_label=”row”] [et_pb_column type=”4_4″][et_pb_text admin_label=”Text”] Establishing the evidence for planning effective cataract programmes For cataract surgical service planning purposes what is considered an ‘operable’ cataract has become less clear. The cataract case mix study aims to establish the different visual thresholds used for cataract surgery in different countries. This information is essential for planning effective programmes […]