- loss of vision in a part of the visual field; blind spot.
Origin of scotoma
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- pathol a blind spot; a permanent or temporary area of depressed or absent vision caused by lesions of the visual system, viewing the sun directly (eclipse scotoma), squinting, etc
- psychol a mental blind spot; inability to understand or perceive certain matters
C16: via Medieval Latin from Greek skotōma giddiness, from skotoun to make dark, from skotos darkness
Word Origin and History for scotomata
(plural scotomata), 1540s, from Late Latin scotoma, from Greek skotoma "dizziness," from skotoun "to darken," from skotos "darkness" (see shade).
Online Etymology Dictionary, © 2010 Douglas Harper
- An area of diminished vision within the visual field.
- blind spot
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.