This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lesions of the Visual Pathway, Subject name: Ophthalmology
Lesion of optic tract causes? 
Select and explain. 
A. Binasal hemianopia, B. Bitemporal hemianopia, C. Homonymous superior quadrantonopia, D. Homonymous hemianopia
D: Homonymous hemianopia
Answer: D: Homonymous hemianopia 
Explanation: Ans. (d) Homonymous hemianopiaRef.: Harrison's 19th ed. /198-199* Unilateral optic nerve lesion: Unilateral blindness* Binasal hemianopia: Bitemporal optic chiasma lesion. Two different lesions compressing the chiasma from the lateral parts.* Bitemporal hemianopia: Binasal retinal damaged optic chiasmal lesion. Commonest lesion is pituitary adenoma.* Homonymous hemianopia: lesion at optic tract AND optic radiation* Homonymous superior quadrantonopia: All superior quadrantonopia goes to the temporal lobe (pie in the sky).* Homonymous inferior quadrantonopia: All inferior quadrantonopia goes to the parietal lobe (Pie on the floor).* Homonymous hemianopia w/ macular sparing: Lesion in occipital cortex les