<prompt> Which of following is not a feature in diabetic retinopathy on fundus examinationMicroaneurysmsRetinal hemorrhagesAeriolar dilatationNeovascularisation  <response>: 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. 