scotoma

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Related to scotomata: scintillating scotoma

sco·to·ma

 (skə-tō′mə)
n. pl. sco·to·mas or sco·to·ma·ta (-mə-tə)
An area of diminished vision within the visual field.

[New Latin scotōma, from Late Latin, dim sight, from Greek skotōma, dizziness, from skotoun, to darken, from skotos, darkness.]

sco·to′ma·tous adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

scotoma

(skɒˈtəʊmə)
n, pl -mas or -mata (-mətə)
1. (Pathology) 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
2. (Psychology) 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]
scotomatous adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

sco•to•ma

(skoʊˈtoʊ mə)

n., pl. -mas, -ma•ta (-mə tə)
loss of vision in a part of the visual field; blind spot.
[1535–45; < Greek skótōma dizziness = skotō-, variant s. of skotoûn to darken, stupefy, make dizzy, v. derivative of skótos darkness, dizziness + -ma resultative n. suffix]
sco•tom′a•tous (-ˈtɒm ə təs) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

scotoma, scotomy

a blind spot or blind area in the field of vision.
See also: Blindness
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.scotoma - an isolated area of diminished vision within the visual fieldscotoma - an isolated area of diminished vision within the visual field
vision defect, visual defect, visual disorder, visual impairment - impairment of the sense of sight
annular scotoma - a circular scotoma surrounding the center of the field of vision
central scotoma - a scotoma that involves the fixation point
hemianopic scotoma - a scotoma involving half of the visual field
paracentral scotoma - a scotoma that is adjacent to the fixation point
flittering scotoma, scintillating scotoma - a localized area of diminished vision edged by shimmering colored lights; in many people it indicates the onset of migraine
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

sco·to·ma

n., Gr. escotoma, área del campo visual en la cual existe pérdida parcial o total de la visión.
English-Spanish Medical Dictionary © Farlex 2012
References in periodicals archive ?
Inclusion criteria were AZOOR eyes showing outer retinal morphological abnormalities in the macular area on OCT at the initial visit, regardless of the types of scotomata, and receiving choroidal thickness measurements with enhanced depth imaging- (EDI-) OCT for up to 6 months after baseline.
In addition to their scintillating scotomata, migraine patients can experience hallucinations that commonly have simple patterns of zigzags and checkerboards, lattices, cobwebs, or honeycombs.