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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
Unilateral sudden complete loss of vision (Amaurosis fugax) is due to lesion in -
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The correct answer is  Amaurosis fugax refers to sudden temporary and painless monocular visual loss occurring due to a transient failure of retinal circulation. COMMON CAUSES: Carotid transient ischemic attack, embolization of retinal circulation, papilloedema, giant cell aeritis, Raynaud's disease, migraine, as a prodromal symptom of central retinal aery or carotid aery occlusion, hypeensive retinopathy, and venous stasis retinopathy. Reference: Comprehensive Opthalmology, A K Khurana; 6th edition.pg no331.