visual field


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Related to visual field: perimetry, visual acuity, Visual pathway

visual field

The angular extent of space which can be perceived when the head and eyes are kept fixed.
References in periodicals archive ?
Our patients may have performed poorly simply as a result of the visual field deficit, not because of any true color vision abnormality.
And it warns: "Available data suggests that visual field defects are irreversible even after discontinuation of Vigabatrin.
Whenever we are suspicious that an individual has glaucoma, even early glaucoma, we recommend visual field testing.
These results suggest that while the limited attentional resources of the left hemisphere are biased toward the right half of the visual field, the absence of contralateral attentional demands allows these resources to be allocated to the left visual field.
Although they maintained that their experience with soft colored contacts "has generally been favorable," the researchers cautioned that colored contact lenses should be fitted so that lens movement is at a minimum, allowing the pigmented portion of the contact to rest directly over the wearer's iris, and said that "patients should be warned of the possible constriction in the visual field.
The CET in this issue explores the history behind visual field instrumentation, its clinical use for functional evaluation and considers the future role it has alongside the increasing popularity of structural assessment in practice.
NeuroEyeCoach is NovaVision's eye movement compensation therapy for those patients who have suffered a cerebral visual field disorder as a result of a stroke or brain injury and is designed to improve a patient's ability to scan their environment more efficiently.
Visual field test One eye is kept closed and the other is fixed on a central target.
The Driver and Vehicle Licensing Agency is seeking to establish a Managed Service Contract with a Prime Contractor to deliver visual field and acuity testing services.
After the analysis, team found that the scalloped hammerheads had the largest monocular visual field, at an amazing 182 deg.
Macroadenomas that are left untreated during pregnancy will enlarge in about 23% of cases and cause headache and visual field defects.
Much, Department of Ophthalmology, University of Virginia in Charlottesville, is said to have broken new ground in an under-researched area and will help ophthalmologists evaluate, counsel, and care for patients with visual field loss due to end-stage glaucoma.