Results 211 to 220 of about 346,611 (261)
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2012
• Glaucoma results in progressive visual field deterioration, and detecting changes or recording stability in the visual field is important in the management of glaucoma. • Visual field testing is a highly subjective and operator-dependent test. • In patients with glaucoma, the visual field is tested in monocular fashion.
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• Glaucoma results in progressive visual field deterioration, and detecting changes or recording stability in the visual field is important in the management of glaucoma. • Visual field testing is a highly subjective and operator-dependent test. • In patients with glaucoma, the visual field is tested in monocular fashion.
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SITA visual field testing in children
Journal of American Association for Pediatric Ophthalmology and Strabismus, 2001The Swedish Interactive Thresholding Algorithm (SITA) is a new testing strategy for the Humphrey perimeter. The standard SITA algorithm shortens test time in adults without increasing variability, but its usefulness for detecting field defects in children has not been investigated.We evaluated 92 standard SITA 24-2 visual fields of children, most of ...
S P, Donahue, A, Porter
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Visual Field Testing With Red Targets
Archives of Ophthalmology, 1983Ten patients with partial temporal visual field defects were examined with a modified tangent screen projection perimeter (Auto-Plot). Defects demonstrated with an isopter for chromatic recognition of a 3-mm red stimulus could always be reproduced with an isopter for achromatic recognition of a dim, 3-mm white stimulus.
J S, Mindel, A, Safir, P W, Schare
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Test Conditions in Macular Visual Field Testing in Glaucoma
Journal of Glaucoma, 2017Purpose: The purpose of this study is to evaluate the suitable visual field (VF) test conditions (target size, test type, and eccentricity) for the macular region, we investigated the correlations between the ganglion cell layer (GCL) thickness and 6 VF test results.
Mariko, Eura +7 more
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Visual Fields: Visual Field Test Strategies
2009The question can be answered in many ways. First of all, there are visual field devices used to perform automated static perimetry and those for manual kinetic perimetry. Automatedtests utilize computer programs to vary test speed, target size, and luminance.
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TESTING VISUAL FIELDS BY FLICKER FUSION
Archives of Neurology And Psychiatry, 1951THE CRITICAL rate at which a flickering light of decreasing frequency is first perceived to flicker is the one test of visual function in which the light-adapted eye is more sensitive at the periphery of the retina than at its center. Previous investigators have agreed that flicker fusion fields are sensitive and "typical" in neurological lesions ...
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Indications for and Interpretation of Visual Field Testing
Otolaryngologic Clinics of North AmericaField of vision is an important aspect of a person's overall vision. Many disease processes may impact a patient's visual field. Perimetry is the systematic measurement of a patient's visual field and can be used to diagnose intraocular, extraocular, and intracranial causes of vision loss.
Kais M, Karowadia +3 more
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Automated Visual Field Testing
Archives of Ophthalmology, 1987I found the first half of this book to be a thorough and useful review of the mathematics and physics of automated visual field testing. The quantitation of what has been largely subjective requires some new understanding for the user. This understanding demands an appreciation of statistical issues that many of us have not used regularly.
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Selecting visual field tests and assessing visual field deterioration in glaucoma
Canadian Journal of Ophthalmology, 2014Testing the peripheral field of vision is the mainstay for detection of glaucoma deterioration. Various methods and algorithms are currently available for detection of early glaucoma or establishing disease progression. Alternative testing strategies such as frequency doubling technology perimetry or short-wavelength automated perimetry have been ...
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Testing Visual Fields in Children
2022Visual fields in the pediatric population are an essential part of the eye exam that remain challenging to even the most experienced clinicians. Becoming educated in the multiple ways a child's visual field can be tested regardless of age and cognitive and physical abilities will allow the clinician to gain better insight into the child's function and ...
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