noun Ophthalmology.

any of several conditions in which there is blindness in half of the visual field, involving one or both eyes.

Nearby words

  1. hemiamyosthenia,
  2. hemianalgesia,
  3. hemianencephaly,
  4. hemianesthesia,
  5. hemianopia,
  6. hemianosmia,
  7. hemiapraxia,
  8. hemiarthroplasty,
  9. hemiataxia,
  10. hemiathetosis

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. 2019

Medicine definitions for hemianopsia




Loss of vision in one half of the visual field of one or both eyes.
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.