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
In pupillary reflex nerve tested is - 
Select and explain. 
A. 2nd, B. 3rd, C. Both 2nd and 3rd, D. 4th
C: Both 2nd and 3rd
Answer: C: Both 2nd and 3rd 
Explanation: Afferent nerve for light reflex → optic (2nd) nerve.
Efferent nerve for light reflex → occulomotor (3rd) nerve.