This document discusses acute purulent conjunctivitis, specifically gonococcal conjunctivitis in adults and ophthalmia neonatorum in newborns. It describes the etiology, pathogenesis, clinical presentation, diagnosis, complications and treatment of both conditions. The key signs of gonococcal conjunctivitis are a watery or purulent discharge, swollen eyelids, and detection of gonococcus on smear. Ophthalmia neonatorum is a bilateral purulent conjunctivitis in newborns caused by various bacteria including gonococcus. Prompt treatment is important to prevent complications like corneal ulcers or perforation.