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hemianopsia

[hem-ee-uh-nop-see-uh]
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noun Ophthalmology.
  1. any of several conditions in which there is blindness in half of the visual field, involving one or both eyes.
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Also hem·i·a·no·pi·a [hem-ee-uh-noh-pee-uh] /ˌhɛm i əˈnoʊ pi ə/, hemiopia.

Origin of hemianopsia

First recorded in 1880–85; hemi- + an-1 + -opsia
Also called hemiscotosis.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for hemianopia

hemianopia

noun
  1. loss of vision in either the whole left or the whole right half of the field of visionAlso called: hemianopsia (ˌhɛmɪænˈɒpsɪə)
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Word Origin

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

hemianopia in Medicine

hemianopsia

(hĕm′ē-ə-nŏpsē-ə)
n.
  1. Loss of vision in one half of the visual field of one or both eyes.
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Related formshem′i•a•noptic (-nŏptĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.