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: Ophthalmology
[{'content': 'Optic atrophy may occur in all, except: \nSelect and explain. \nA. Glaucoma, B. Leprosy, C. Pituitary tumor, D. Methanol intake', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Leprosy', 'role': 'assistant'}]