This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cornea and sclera, Subject name: Ophthalmology
[{'content': 'Steroid is contraindicated in - \nSelect and explain. \nA. Herpetic keratitis, B. Atopic dermatitis, C. Fungal corneal ulcer, D. Exposure Keratitis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Steroids overwhelm the fungal infection,it also causes immunosuppression. Ref khurana 6/e p243', 'role': 'assistant'}]