This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Retina, Subject name: Ophthalmology
[{'content': 'Magnification obtained with direct ophthalmoscope for an emmetropic patient is: \nSelect and explain. \nA. 5 times, B. 10 times, C. 15 times, D. 20 times', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. (c) 15 timesRef: Parson's, 19/e, p. 135Magnification obtained with direct ophthalmoscope* In emmetropes is about 15 times and* Least magnified is seen in hypermetropes,* Most magnified is seen in myopes.", 'role': 'assistant'}]