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: Ophthalmology
[{'content': 'Treatment of acute congestive glaucoma includes all exept: \nSelect and explain. \nA. Sclerectomy, B. Trabeculectomy, C. Trabeculoplasy, D. All', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. Trabeculoplasy', 'role': 'assistant'}]