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
[{'content': "Werick's hemianopic pupillary response is seen in lesions at: \nSelect and explain. \nA. Optic tract, B. Optic chiasma, C. Optic radiation, D. Lateral geniculate body", 'role': 'user'}, {'content': "Answer: A \nExplanation: Werick's hemianopic pupillary response is seen in lesions at Optic tract. Ref: Textbook of Ophthalmology By Nema, 3rd Edition, Page 247", 'role': 'assistant'}]