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
Optical coherence tomography is most useful in disorders of: 
Select and explain. 
A. Macula, B. Crystalline lens, C. Refractive errors, D. Intraocular tumours
A: Macula
Answer: A: Macula 
Explanation: Ans. Macula