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
Wernicke's heminopic pupillary reaction indicates lesions at the level of: 
Select and explain. 
A. Optic tract, B. Distal pa of optic nerve, C. Optic chiasma, D. Optic radiations
A: Optic tract
Answer: A: Optic tract 
Explanation: Ans. Optic tract