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: ENT
[{'content': 'Surgery on eardrum is done using - \nSelect and explain. \nA. Operative microscope, B. Laser, C. Direct vision, D. Blindly', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Myringotomy is ideally performed under an operating microscope using a sharp myringotome and good suction apparatus.\n"A myringotomy is made under binocular microscopy".\xa0— Pediatric otolaryngology', 'role': 'assistant'}]