This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Glaucoma, Subject name: Ophthalmology
[{'content': 'Treatment of choice for congenital glaucoma: \nSelect and explain. \nA. Trabeculectomy + MMC, B. Trabeculectomy + Trabeculotomy, C. Goniotomy, D. Iridotomy', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Trabeculectomy + Trabeculotomy is the treatment of choice for congenital glaucoma patients. Rx Goniotomy: initial procedure --> done with von graefe knife -->direct visualization of angle by direct gonioscope. Trabeculectomy + Trabeculotomy: Procedure of Choice. Response to Medical Mx not good. Brimonidine is contraindicated. S/E apnoea and death. Glaucoma drainage devices are used in the failed filtration surgeries.', 'role': 'assistant'}]