All of the following take part in the pathogenesis of macular edema in diabetic retinopathy except -

Retinal pigment epithelium dysfunction

All of the following take part in the pathogenesis of macular edema in

1.	All of the following take part in the pathogenesis of macular edema in diabetic retinopathy except -
A.	VEGF
B.	Increased protein kinase-C
C.	Retinal pigment epithelium dysfunction
D.	Oxidative stress
Answer» D. Oxidative stress