This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Medicine
Wernicke's hemianopic pupillary response is seen in lesion of- 
Select and explain. 
A. Optic tract, B. Optic chiasm, C. Optic radiation, D. Lateral genicular body
A: Optic tract
Answer: A: Optic tract 
Explanation: . *Wernicke's hemianopic pupil indicates lesions of optic tract . In this condition light reflex is absent when light is thrown on temporal half of retina of affected side and nasal half of opposite side. Ref Harrison20th edition pg 2456