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
Commonest causative organism of corneal ulcer is: 
Select and explain. 
A. Pneumococci, B. Streptococci, C. Staphylococci, D. Fungal
C: Staphylococci
Answer: C: Staphylococci 
Explanation: Ans. Staphylococci