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': 'Indirect ophthalmoscopy is done for – \nSelect and explain. \nA. Central retina, B. Periphery of retina, C. Sclera, D. Angle of ant. chamber', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]