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': 'Site of lesion in Bitemporal hemianopia is \nSelect and explain. \nA. Optic nerve, B. Optic tract, C. Optic chiasma, D. Optic radiation', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Optic chiasma', 'role': 'assistant'}]