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
Pigment deposition on cornea seen in –a) Chloroquineb) Digoxinc) Ranitidined) Amiodarone 
Select and explain. 
A. b, B. ad, C. ac, D. ab
B: ad
Answer: B: ad 
Explanation: Causing pigment deposition in cornea
i) Superficial

Amiodarone                                  
Chloroquine 
Chlorpromazine  
Clofazimine   
Indomethacin
Naproxen    
Suramine 
Tilorone                                

ii) Stromal

Phenothiazines (chlorpromazine)