visual field

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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 ?
It is estimated that visual field loss occurs in 46% of patients with acquired brain damage, (1) with homonymous hemianopia (measured with perimetry) present in 54% of all patients with stroke-related vision loss.
Thirty-seven OAG patients with early-stage visual field loss (mean deviation ≥ −6.00 dB) detected by the Humphrey Field Analyzer (30-2 SITA program) and 26 controls were included in this study.
Most people whose vision is affected by stroke experience some form of visual field loss. Your visual field is literally everything you can see though healthy eyes, including what's in your peripheral vision.
Optic nerve damage primarily results in peripheral visual field defect, and in advanced stage also to central visual field loss, loss of fixation (2), and decrease in visual acuity (3).
Confrontation test revealed inferonasal visual field loss in the left eye.
Spectral-domain optical coherence tomography images show localized thinning of retinal layers in the parafoveal zone, and may reveal retinal toxicity at an earlier stage before visual field loss occurs.
Following a confrontation visual field testing, he was diagnosed with bitemporal visual field loss. Neurological examination revealed that motor, sensory, and cerebellar functions were normal.
The retrospective case series included 59 glaucomatous eyes with cataracts and severe visual field loss. At baseline, the medicated mean IOP was 19.3 mm Hg and the mean number of topical glaucoma medications used per eye was 2.3.
This is the first reported case with NFL hemorrhage and thickening and iritis concurrent with papillitis without decreased visual acuity or visual field loss. Due to this atypical presentation and the patient's coinfection of HIV, emergent and opportunistic diagnoses needed to be ruled out first with MRI and a CD4 count.
Anderschat, "Case reports and small case series: LASIK-associated visual field loss in a glaucoma suspect," Archives of Ophthalmology, vol.
Considering that IDA may accelerate the visual field loss in patients with glaucoma, we obtained two separate 30-2 visual field tests with an interval of six months in patients with and without iron deficiency anemia but the difference in mean deviations in visual field tests was not found to be statistically significant.
Pre-treatment best-corrected visual acuity was 20/800 OD and 20/4000 with severe visual field loss. Four months following surgery, the visual acuity had improved to 20/100 OD and 20/40 OS with improvement in the visual fields OU.