This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Uveal tract, Subject name: Ophthalmology
Late onset endothalmitis after lens implantation is caused by - 
Select and explain. 
A. Staphylococcus epidermidis, B. Pseudomonas, C. Streptococcus pyogenes, D. Propionibacterium acne
A: Staphylococcus epidermidis
Answer: A: Staphylococcus epidermidis 
Explanation: Coagulase-negative staphylococci are the most common causes of post-cataractendophthalmitis, and these bacteria and viridans streptococci cause most cases of post-intravitreal anti-VEGF injectionendophthalmitis, Bacillus cereus is a majorcause of post-traumatic endophthalmitis, and Staphylococcus aureus and ... Ref khurana 6/e