visual field

(redirected from Altitudinal field defect)
Also found in: Thesaurus, Medical, Encyclopedia.
Related to Altitudinal field defect: central scotoma, Relative Afferent Pupillary Defect

visual field

n.
The space or range within which objects are visible to the immobile eyes at a given time. Also called field of vision.
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.

visual field

n
(Physiology) the whole extent of the image falling on the retina when the eye is fixating a given point in space
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

field′ of vi′sion


n.
the entire view encompassed by the eye trained in any particular direction. Also called visual field.
[1930–35]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.visual field - all of the points of the physical environment that can be perceived by a stable eye at a given momentvisual field - all of the points of the physical environment that can be perceived by a stable eye at a given moment
visual percept, visual image - a percept that arises from the eyes; an image in the visual system
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Visual field testing by standard automated perimetry (SAP) demonstrated an inferior altitudinal field defect and OCT for RNFL analysis showed normal RNFL thickness in all quadrants except upper temporal quadrant which showed thinning.
(a) It typically causes an inferior altitudinal field defect.
Visual field defects in nonarteritic anterior ischemic optic neuropathy (NA-AION) include altitudinal field defect (classically occurring in the inferior hemi field), central scotoma, arcuate scotoma, and quadrantic defects.