This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neuro-ophthalmology, Subject name: Ophthalmology
A patient presented with normal eyesight and absence of direct and consensual light reflexes. Which of the following cranial nerves is suspected to be lesioned 
Select and explain. 
A. Occulomotor, B. Trochlear, C. Optic, D. Abducent
A: Occulomotor
Answer: A: Occulomotor 
Explanation: For light reflex, CN2 and CN3 are required. Since vision is normal CN2 is intact. Probably lesion is at the level of CN3