system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Which of following is not a feature in diabetic retinopathy on fundus examination
assistant
The correct answer is  C i.e. Aeriolar dilatation In diabetic retinopathy aeriolar changes consist of narrowing Q (not dilation) silver-wiring and obliteration resembling branch retinal aery occlusion. And venous changes are bending, looping and sausage like segmentation.