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
Amster grid is used in: 
Select and explain. 
A. Detecting maculopathy, B. Optic disc examination, C. Squint, D. Retinal examination
A: Detecting maculopathy
Answer: A: Detecting maculopathy 
Explanation: A i.e. Detecting maculopathy