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: Pharmacology
Bull's eye retinopathy is seen with 
Select and explain. 
A. Chloroquine, B. Methanol, C. Ethambutol, D. Steroids
A: Chloroquine
Answer: A: Chloroquine 
Explanation: None