Ophthalmology All of the following take part in the pathogenesis of macularedema in diabetic retinopathy except A Retinal pigment epithelium dysfunction B Oxidative stress C VEGF D Increased protein kinase - C π‘ Explanation All of the following take part in the pathogenesis of macularedema in diabetic retinopathy except β Correct Answer: A. Retinal pigment epithelium dysfunction