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
Corneal reflex is lost in the disease of: 
Select and explain. 
A. Ophthalmic nerve, B. Ciliary ganglion, C. Supra orbital nerve, D. Motor nucleus of 5th cranial nerve
A: Ophthalmic nerve
Answer: A: Ophthalmic nerve 
Explanation: Ans. Ophthalmic nerve