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
All of the following agents are used in glaucoma treatment, except - 
Select and explain. 
A. Apraclonidine, B. Timolol, C. Pilocarpine, D. Metoprolol
D: Metoprolol
Answer: D: Metoprolol 
Explanation: Ans. is 'd' i.e., Metoprolol o Metoprolol is a beta blocker with local anaesthetic activity. Such beta blockers are not indicated in glaucoma. o Apraclonidine (alpha 2 agonist), timolol (beta blocker without local anaesthetic activity) and pilocarpine (directly acting miotic) are used in glaucoma.