This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autonomic nervous system, Subject name: Pharmacology
Which of the following antiglaucoma drugs can cause heterochromia iridis 
Select and explain. 
A. Timolol, B. Lantanoprost, C. Apraclonidine, D. Acetazolamide
B: Lantanoprost
Answer: B: Lantanoprost 
Explanation: Refer katzung 12e p 328 PGF2 alpha agonists like lantanoprost can cause iris pigmentation (heterochromia iridis) and growth of eye lashes(hyperichosis) as adverse effect