This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lens, Subject name: Ophthalmology
Best way to prevent infection after cataract surgery is 
Select and explain. 
A. Antibiotics, B. Eye brow shaving, C. Through irrigation, D. None of the above
A: Antibiotics
Answer: A: Antibiotics 
Explanation: Topical antibiotics such as tobramycin or gentamicin or ciprofloxacin QID for 3 days just before surgery is advisable as prophylaxis against endophthalmitis.Ref: Khurana; 4th edition; Pg- 184