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
[{'content': 'Late-onset endophthalmitis after lens implantation is caused by – \nSelect and explain. \nA. Staphylococcus epidermidis, B. Pseudomonas, C. Streptococcus pyogenes, D. Propionibacterium acne', 'role': 'user'}, {'content': 'Answer: D \nExplanation: "Fungal infection and propionibacterium acne are the most likely organisms of endophthahnitis. Occurring several Weeks or months after cataract surgery".\n- Parson\'s', 'role': 'assistant'}]