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
Which of the following is not true of acute conjunctivitis? 
Select and explain. 
A. Vision is not affected, B. Corneal infiltration, C. Topical antibiotics are the mainstay of treatment, D. Pupil remains unaffected
C: Topical antibiotics are the mainstay of treatment
Answer: C: Topical antibiotics are the mainstay of treatment 
Explanation: Ans. c. Topical antibiotics are the mainstay of treatment