This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autacoids, Subject name: Pharmacology
Which of the following drugs acts on trabecular mesh work and affects the aqueous outflow? 
Select and explain. 
A. Timolol, B. Pilocarpine, C. Brimonidine, D. Brirzolamide
B: Pilocarpine
Answer: B: Pilocarpine 
Explanation: mode of action of ocular hypotensive drugs Pilocarpine is the only drug acting mainly on the trabecular meshwork pilocarpine- cholinomimetic ESSENTIALS OF MEDICAL PHARMACOLOGY;7TH EDITION; KD TRIPATHI;PAGE NO 154