A 60–year old diabetic patient has an uneventful phacoemulsification with IOL implantation. He presented with pain, diminished vision, redness, watering and a greyish yellow pupillary reflex on the third postoperative day. Examination revealed circumcorneal congestion, aqueous cells 4+, hypopyon in the anterior chamber with posterior synechiae and retrolental flare. The most likely diagnosis is –
Keratitis
Glaucoma
Endophthalmitis
Postoperative cyclitis
Painful red eye with diminution of vision along with evidence of aqueous flare, hypopyon and loss of normal red reflex, three days after cataract surgery suggests a diagnosis of Acute Postoperative Endophthalmitis.