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What is Blockade of Central Retinal Artery leads to temporary blindness is also known as: and explain in detail?
(A) Amaurosis fugax > Amaurosis Fugax is transient ischemic attack of retina characterized by transient sudden loss of vision lasting for few minutes, due to occlusion by minute emboli. It may be a premonitory symptom of CRAO.> D/D of "cherry red" spot on fundus CRAO, blunt injury (Berhin's edema of macula), Tay-Sach's disease, Niemann-Pick disease, Sandboffs disease & quinine ambliopia.> Cattle-track appearance is other important feature of CRVO, apart from Hol/enhorst plauge.