This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Prostaglandins, Subject name: Pharmacology
Which of the following prostaglandin analogues used in Glaucoma 
Select and explain. 
A. Misoprostol, B. Latanoprost, C. Enprostil, D. Rioprostil
B: Latanoprost
Answer: B: Latanoprost 
Explanation: (Latenoprost): Ref: 88-KDT, 394-Khurana 3rd (147-KDT 6th)* Prostagland analogues used in Peptic ulcer are - Misoprostol Enprostil, Rioprostil (588-KDT)* LATANOPROST (0.0005%) It is synthetic drug which is an ester analogue of prostagland in F2a* It acts by increasing uveoscleral outflow and by causing reduction in episcleral venous pressure* Side effects - conjunctival hyperaemia, foreign body sensation and increased pigmentation of the iris.