Acute inflammation of the structures in the posterior segment of the eye, (choroid, retina and vitreous). Infectious agents are bacteria, fungi and viruses.

Bacterial endophthalmitis is most common from, usually as a complication of the cataract surgery. Virtually any bacteria can cause endophthalmitis.

Endophthalmitis develops suddenly & progressively within first 24 hours after surgery. Absence of aggressive treatment can cause serious consequences, (loss of eye).

To prevent endophthalmitis ophthalmologists typically use antibiotics drops as prophylaxis pre-operatively or post-operatively or both.