This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neuro Ophthalmology, Subject name: Ophthalmology
[{'content': 'Lesion of which area can lead to visual field defects like this: \nSelect and explain. \nA. Optic nerve, B. Central Chiasma, C. Lateral chiasma, D. LGB', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Bitemporal hemianopia is seen in central chiasma lesion. Middle Chiasmal syndrome/ Central Chiasmal lesion Saggital chiasma lesion Bitemporal hemianopia -Lateral chiasma lesion leads to Binasal hemianopia.', 'role': 'assistant'}]