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
Late-onset endophthalmitis after lens implantation is caused by – 
Select and explain. 
A. Staphylococcus epidermidis, B. Pseudomonas, C. Streptococcus pyogenes, D. Propionibacterium acne
D: Propionibacterium acne
Answer: D: Propionibacterium acne 
Explanation: "Fungal infection and propionibacterium acne are the most likely organisms of endophthahnitis. Occurring several Weeks or months after cataract surgery".
- Parson's