This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cornea, Subject name: Ophthalmology
[{'content': 'Drug of choice for Nummular keratitis \nSelect and explain. \nA. Acyclovir 3% ointment, B. Topical Steroids, C. Intravenous antivirals, D. Keratoplasty', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) Topical SteroidsRef: Kanski 7/e, p. 189Nummular keratitis is characterized by fine granular subepithelial deposits, surrounded by a halo of stromal haze. Develops 10 days after onset of rash.Only Topical steroids are given for treatment.', 'role': 'assistant'}]