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
All of the following conditions can be diagnosed on distant direct ophthalmoscopy except: 
Select and explain. 
A. Opacities in the refractive media, B. A hole in the iris, C. A detached retina, D. A hole in the macula
D: A hole in the macula
Answer: D: A hole in the macula 
Explanation: Ans. A hole in the macula