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
[{'content': 'The drug affecting the trabecular outflow in Glaucoma \nSelect and explain. \nA. Timolol, B. Acetazolamide, C. Pilocarpine, D. Brimonidine', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Miotics like pilocarpine reduce intraocular tension by increasing the trabecular outflowBeta-blockers reduce production of aqueous humor by acting on the ciliary bodyBrimonidine and prostaglandin analogs increase uveoscleral outflow Ref: Katzung 12th ed. pg: 161', 'role': 'assistant'}]