This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Retina, Subject name: Ophthalmology
Acute loss of vision in case of alcoholic pancreatitis: 
Select and explain. 
A. Purtscher's retinopathy, B. Acute congestive glaucoma, C. Central retinal artery obstruction, D. Optic neuritis
A: Purtscher's retinopathy
Answer: A: Purtscher's retinopathy 
Explanation: Ans. (a) Purtscher's retinopathyRef: Yanoff & Duker 4/e, p. 679It is a blockage of the retinal capillaries by emboli leading to multiple haemorrhages and cotton wool spots throughout the retina.