Lesion in the optic chiasma causes -a) Bitemporal hemianopiab) Upper nasalc) Lower nasald) Upper temporale) Lower temporal
Correct Answer: ade
Description: Central lesions of optic chiasma
Characteristic visual field defect → Bitemporal hemianopia
Initially temporal quadrantanopia may occur :-
Lesion compressing from below → upper temporal
Lesion compressing from above → lower temporal
Lateral lesions of optic chiasma → Binasal hemianopia
Category:
Ophthalmology
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