<prompt> The only condition amongst the following associated with cystoid macular edema is?Overuse of ocular analgesicsGlaucomaCentral Retinal Vein OcclusionTopical steroid therapy  <response>: Ans. c Central Retinal Vein OcclusionRef : A.K. Khurana 6th ed. 214, 271, 294CYSTOID MACULAR EDEMA CME Collection of fluid in the outer plexiform Henles layer a nuclear layer of the retina is called CME. It is associated with Central Retinal Vein Occlusion post operative complication of cataract extraction and penetrating keratoplasty diabetic retinopathy Retinitis pigmentosa Minimal to moderate loss of vision is seen. It is best examined with slit lamp90D lens Ophthalmoscopy shows honeycomb appearance of macula. Fundus flurorescein angiography shows flowerpetal appearance. Treatment of underlying primary cause and drugs topical steroids triamcinofone topical NSAIDs like flurbiprofen is beneficial.Also Know 100 day glaucoma is seen with CRVO CATTLE TRUCK appearance seen with CRAO IRVIN GASS SYNDROME is seen with post cataract CME 