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': 'Triple surgery in glaucoma includes all of the following except - \nSelect and explain. \nA. Trabaculectomy, B. PCIOL implantation, C. Inseion of drainage device, D. Extra capsular cataract extraction', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Answer- C. Inseion of drainage deviceTRABECULECTOMYECCEPCIOL INSEION', 'role': 'assistant'}]