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
Normal conjunctival flora is 
Select and explain. 
A. E. coli, B. Pseudomonas, C. Coagulase negative staphylococci, D. Lactobacillus
C: Coagulase negative staphylococci
Answer: C: Coagulase negative staphylococci 
Explanation: Answer- C. Coagulase negative staphylococciResident flora-Coagulase negative staphylococci (most common)MicrococciHaemphillusCorneybacterium xerosis