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': "Mizuo-phenomenon is seen in: \nSelect and explain. \nA. Fundus albipathicus, B. Fundus flavimaculatus, C. Oguchi's disease, D. Choroideremia", 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. Oguchi's disease", 'role': 'assistant'}]