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
Ophthalmia nodosa occurs due to: 
Select and explain. 
A. Leprotic conjunctivitis, B. Syphilitic conjunctivitis, C. Sarcoidosis conjunctivitis, D. Irritation by hair of caterpillar
D: Irritation by hair of caterpillar
Answer: D: Irritation by hair of caterpillar 
Explanation: Ans. Irritation by hair of caterpillar