This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Operative Surgery, Subject name: ENT
Surgery on ear drum is done using: 
Select and explain. 
A. Operative microscope, B. Laser, C. Direct vision, D. Blindly
A: Operative microscope
Answer: A: Operative microscope 
Explanation: Ans: a (Operative microscope)Ref: Still searching