This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
[{'content': "Cause of acute loss of vision in a patient of alcoholic pancreatitis is: \nSelect and explain. \nA. Puscher's retinopathy, B. Sudden alcohol withdrawal, C. Acute congestive glaucoma, D. CRAO", 'role': 'user'}, {'content': "Answer: A \nExplanation: Answer is A (Puscher's retinopathy) Puscher's retinopathy is a relatively unusual complication of acute pancreatitis. It is manifested by sudden and severe loss of vision. It is believed to be due to occlusion of the posterior retinal aery with aggregated granulocytes. Peculiar Fundoscopic appearance : Cotton wool spots and hemorrhages confined to an area limited by the optic disk and macula.deg", 'role': 'assistant'}]