1.0Revista Brasileira de Oftalmologiahttps://www.rbojournal.org/en/rich600338<blockquote class="wp-embedded-content" data-secret="i8ClcgN1Gg"><a href="https://www.rbojournal.org/en/article/acute-dacryocystitis-two-cases-reports/">Acute dacryocystitis: two cases reports</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.rbojournal.org/en/article/acute-dacryocystitis-two-cases-reports/embed/#?secret=i8ClcgN1Gg" width="600" height="338" title="“Acute dacryocystitis: two cases reports” — Revista Brasileira de Oftalmologia" data-secret="i8ClcgN1Gg" 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://www.rbojournal.org/wp-includes/js/wp-embed.min.js /* ]]> */ </script> The adult lacrimal obstruction can be congenital or acquired. In the case of the acquired form, the etiology classifies in not-specific (it involves the coating epithelium and/or the vascular plexus submucosae of the lacrimal duct) and specific (infections, inflammations, tumours and iatrogenies). The diagnosis is established by means of the anamnesis and clinical evaluation based on semiology of the lacrimal sack. The patients with lacrimal obstruction present epiphora, acute pains and swelling, mostly in the region of the lacrimal sack [...]