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': "Causes of exudative retinal detachment \nSelect and explain. \nA. Central retinal aery detachment, B. Hypeensive retinopathy, C. Harada's syndrome, D. All", 'role': 'user'}, {'content': "Answer: C \nExplanation: C i.e. Harada's syndrome", 'role': 'assistant'}]