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
Nerve tested in pupillary reflex is 
Select and explain. 
A. 2nd and 3rd, B. Only 3rd, C. only 2nd, D. 3rd and 5th
A: 2nd and 3rd
Answer: A: 2nd and 3rd 
Explanation: Afferent - 2nd nerve.
Efferent - 3rd nerve.