visual field

(redirected from Altitudinal field defect)
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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.

visual field

n
(Physiology) the whole extent of the image falling on the retina when the eye is fixating a given point in space

field′ of vi′sion


n.
the entire view encompassed by the eye trained in any particular direction. Also called visual field.
[1930–35]
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
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.