Ophthalmology All of the following are implicated in the pathogenesis of macular oedema in diabetic retinopathy, EXCEPT: A Retinal pigment epithelium dysfunction B Oxidative stress C VEGF (vascular endothelial growth factor) D Increased protein kinase-C 💡 Explanation All of the following are implicated in the pathogenesis of macular oedema in diabetic retinopathy, EXCEPT: ✓ Correct Answer: A. Retinal pigment epithelium dysfunction