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
Steroid is contraindicated in - 
Select and explain. 
A. Herpetic keratitis, B. Atopic dermatitis, C. Fungal corneal ulcer, D. Exposure Keratitis
C: Fungal corneal ulcer
Answer: C: Fungal corneal ulcer 
Explanation: Steroids overwhelm the fungal infection,it also causes immunosuppression. Ref khurana 6/e p243