scotoma

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Related to scotomas: 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
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References in periodicals archive ?
Arcuate, altitudinal, or central visual field permanent scotomas indicative of papillary involvement had persisted in our patient after treatment.
Toxoplasma papillitis without vitritis. A case report in an immunocompetent Congolese patient
(20) reported five heavy caffeine consumers who developed central ring scotomas without visual loss.
Changes in Choroidal Thickness Following Energy Drink Consumption in Healthy Subjects
The Amsler grid test can detect scotomas in patients with dengue related maculopathy.
OPHTHALMIC MANIFESTATIONS OF DENGUE FEVER
Inclusion criteria for group 1 were high intraocular pressure (over 21 mmHg), visible pseudoexfoliation material on the anterior segment structures, glaucomatous optic nerve head changes (notching of optic disc rim, higher vertical cup-to-disc ratio, retinal nerve fiber layer hemorrhages), and glaucomatous visual field defects (scotomas indicating loss of the nerve fiber layer) detected by computerized visual field examination.
Evaluation of Anterior Segment Parameters in Pseudoexfoliative Glaucoma, Primary Angle-Closure Glaucoma, and Healthy Eyes
At the time of admission, at 36 weeks of pregnancy, she presented persistent frontal headache, scotomas and epigastric pain, with blood pressure of 178/98 mmHg.
Cerebral venous sinus thrombosis after regional anesthesia in a patient with severe preeclampsia--a diagnostic challenge
Visual recovery is generally rapid and of good visual acuity but can leave varying degrees of persistent metamorphopsia and scotomas [3].
Acute Posterior Multifocal Placoid Pigment Epitheliopathy Associated with Gastrointestinal Stromal Tumor and Hurthle Cell Tumor
Kondo and Miyake, who also first described OCMD, first reported three cases of PCD, who presented with bilateral ring scotomas and near-normal visual acuity [7, 12].
Peripheral Cone Dystrophy: Expanded Clinical Spectrum, Multimodal and Ultrawide-Field Imaging, and Genomic Analysis
From the history, the approximate distance between the laser device ranged from 0.1 to 2.0 m and symptoms on presentation included decreased visual acuity, central scotomas, and metamorphopsia.
Early Treatment for Laser-induced Maculopathy
There were other associated complaints like eye strain in 8 (20%) patients, followed by watering in the eyes and headache in 5 (12.50%) patients each, followed by scotomas in 4 (10%) patients as shown in Figure 1.
Evaluation of efficacy of the fixed vs unfixed combination of latanoprost and timolol in patients of open-angle glaucoma and ocular hypertension insufficiently controlled on timolol and latanoprost monotherapy
(9-10) Other types of visual field deficits resulting from stroke include: inferior and superior quadrantanopia; constricted visual fields; scotomas, and altitudinal defects.
Homonymous hemianopia following stroke: aetiology and diagnosis
Isaac Lipshitz) is indicated for monocular implantation to improve vision in patients greater than or equal to 65 years of age with stable severe to profound vision impairment (best-corrected distance visual acuity 20/160 to 20/800) caused by bilateral central scotomas (blind areas) associated with end-stage AMD.
Dr. Edward Paul Presents Macular Degeneration Update at Harvard
In patients with extensive scotomas of near fixation point, hand and stand magnifiers were better than spectacle magnifiers.
Clinical analysis of low vision aids

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