Suprasellar aneurysms causes: (A) Binasal hemianopia, (B) Bitemporal hemianopia, (C) Homonymous hemianopia, (D) Congruous homonymous hemianopia
Answer is B. (B) Bitemporal hemianopia # Sagittal (central) lesions of the chiasma.These are characterized by bitemporal hemianopia and bitemporal hemianopic paralysis of pupillary reflexes.> Lateral chiasmal lesions: Salient features of such lesions are binasal hemianopia associated with binasal hemianopic paralysis of the pupillary reflexes.> Lesions of optic tract:These are characterized by incongruous homonymous hemianopia associated with contralateral hemianopic pupillary reaction (Wernicke's reaction).