Infection of the tear/lacrimal sac.

build up in the nasolacrimal sac

Inflammation of the nasolacrimal (tear) sac, typically caused by dacryostenosis. Symptoms include discharge, a sticky eye, eye pain or discomfort, a red or pink eye, swelling around the eye and tearing.

Dacryocystitis is an infection of the nasolacrimal sac. It causes pain, redness and swelling over the inner aspect of the lower eyelid and epiphora. It is often caused by nasolacrimal obstruction.It is commonly associated with S.aureus,S.pneumoniae,Pseudomonas species.