- any of several conditions in which there is blindness in half of the visual field, involving one or both eyes.
Also hem·i·a·no·pi·a [hem-ee-uh-noh-pee-uh] /ˌhɛm i əˈnoʊ pi ə/, hemiopia.
Origin of hemianopsia
Also called hemiscotosis.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for hemianopia
But in this hemianopia the region of central vision is always spared.
The optic tract, which crosses the crus, may also be affected, and hemianopia result.
Unlike a hemianopia, which is mostly permanent, a double accommodation paresis is frequently transitory.
- loss of vision in either the whole left or the whole right half of the field of visionAlso called: hemianopsia (ˌhɛmɪænˈɒpsɪə)
C19: from hemi- + an- + Greek opsis sight
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- Loss of vision in one half of the visual field of one or both eyes.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.