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': "Wernicke'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: A i.e. Optic tract', 'role': 'assistant'}]