n. a loss of vision, specifically in the outer halves of both the left and right visual fields. Thus, patients experience difficulty and discomfort in trying to see with both eyes. This type of partial blindness is caused by a lesion in the optic chiasm. See bitemporal hemianopsia.

BITEMPORAL HEMIANOPIA: "In bitemporal hemianopia, the lesion on the optic chiasm may have been caused by injury or compression."
Cite this page: N., Pam M.S., "BITEMPORAL HEMIANOPIA," in, April 7, 2013, (accessed October 18, 2021).