All of the following may be used to differentiate Central Retinal Venous Occlusion (CRVO) from Ocular Ischemic Syndrome due to Carotid Artery Stenosis, Except

Ans. (a) Dilated Retinal veinRef: Yanoff 3/e, p. 625Central Retinal vein occlusion and Ocular Ischemic Syndrome due to carotid artery stenosis are both associated with dilated Retinal veins and hence this feature cannot be used to distinguish these conditions.