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
Using a lens of +14D, magnification of fundus of an emmetropic eye in indirect ophthalmoscopy is: 
Select and explain. 
A. 5 times, B. 10 times, C. 25 times, D. 15 times
A: 5 times
Answer: A: 5 times 
Explanation: Magnification of lens = DIOPTRIC POWER of eye/ diaoptric powr of lens =+60D/14D [?] 5x.