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
Which of the following prostaglandin analogues is used in glaucoma ? 
Select and explain. 
A. Misoprostol, B. Latanoprost, C. Enprostil, D. Rioprostil
B: Latanoprost
Answer: B: Latanoprost 
Explanation: None