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': 'Periphery of retina is best visualized with the following method: \nSelect and explain. \nA. Direct ophthalmoscopy, B. Indirect ophthalmoscopy, C. Retinoscopy, D. USG', 'role': 'user'}, {'content': "Answer: B \nExplanation: Advantages of indirect ophthalmoscopy: The brighter light source that permits much better visualization through cloudy media. By using both eyes, the examiner enjoys a stereoscopic view, allowing visualization of elevated masses or retinal detachment in three dimensions. It can be used to examine the entire retina, even out to its extreme periphery, the ora serrata. Ref: Chang D.F. (2011). Chapter 2. Ophthalmologic Examination. In P. Riordan-Eva, E.T. Cunningham, Jr. (Eds), Vaughan & Asbury's General Ophthalmology, 18e.", 'role': 'assistant'}]