This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Squint, Subject name: Ophthalmology
[{'content': 'Visual field defect seen in Optic chiasma damage is \nSelect and explain. \nA. Bitemporal hemianopia, B. Pie in the floor (inferior Quadrantanopia), C. Pie in the sky (superior Quadrantanopia), D. Binasal Hemianopia', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Bitemporal Hemianopia Saggital chiasma lesion Bitemporal hemianopia Paial descending optic atrophy Causes *Suprasellar aneurysm *Tumors of pitutory gland *Craniopharyngioma *Suprasellar meningioma', 'role': 'assistant'}]