Macular edema most common cause is -: (A) Secondary glaucoma, (B) Cataract surgery, (C) Retinitis pigmentosa, (D) Uveitis
Answer is B. Macular edema occurs when there is abnormal leakage and accumulation of fluid in themacula from damaged blood vessels in the nearby retina. A common cause of macular edema is diabetic retinopathy, a disease that can happen to people with diabetes. Other common cause is, as a complication of cataract surgery. Ref AK khurana 6/e p 280