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
Which of the following will cause Bull's eye retinopathy 
Select and explain. 
A. INH, B. Chloroquine, C. Ethambutol, D. Steroids
B: Chloroquine
Answer: B: Chloroquine 
Explanation: B i.e. Chloroquine