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
Decreased corneal sensations can be seen in - 
Select and explain. 
A. Bacterial corneal ulcer, B. Mycotic corneal ulcer, C. Leprosy, D. Interstial keratitis
C: Leprosy
Answer: C: Leprosy 
Explanation: Neuroparalytic keratitis occurs due to paralysis ofthe sensory nerve supply of the cornea. Involvement of corneal nerves in leprosy. REF:Comprehensive ophthalmology,20th edition,AK Khurana,pg no.107.