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
Eyelid drooping in/are seen in: 
Select and explain. 
A. Damage to edinger-westphal nucleus, B. Damage to motor pa of facial nerve, C. Damage to sympathetic nerve supply, D. Damage to lacrimal nerve
C: Damage to sympathetic nerve supply
Answer: C: Damage to sympathetic nerve supply 
Explanation: Ans. Damage to sympathetic nerve supply