It is the inflammation, caused by an infection, of the lacrimal canaliculus. Symptoms: tearing, discharge, redness of the eye and a slight pain to the touch (more noticeable near the nose), the symptoms can resemble those of dacryocystitis.
Treatment: it is surgical and consists of the marsupialization of the lacrimal canaliculus and the drainage of its contents, in addition to irrigation with topical antibiotics. It is a procedure that is done under local anesthesia and does not require hospitalization.