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': 'Left homonymus hemianopia is seen in which right sided lesion \nSelect and explain. \nA. Optic tract, B. Optic nerve, C. Optic chiasma, D. Occipital coex', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans: A. Optic tract', 'role': 'assistant'}]