Also found in: Dictionary, Thesaurus, Wikipedia.
blindness in the temporal field of vision of both eyes.
Etymology: L, bis, twice, tempora, temples; Gk, hemi, half, opsis, vision
a loss of the temporal half of the vision in each eye, usually resulting from a lesion in the chiasmal area such as a pituitary tumor.
Blindness in the temporal half of the visual field in each eye.
See also: hemianopia