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': 'Herpetic keratitis is treated by \nSelect and explain. \nA. Analgesics, B. Atropine, C. Steroids, D. Idoxuridine', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Idoxuridine Drug of choice for herpetic keratitis is Acyclovir Q (topical) Other antiviral drugs used are - Idoxuridine - Trifluorothyrnidine - Vidarabine', 'role': 'assistant'}]