نتایج جستجو برای: automated perimetry

تعداد نتایج: 130533  

Journal: :The British journal of ophthalmology 1993
E Mutlukan B E Damato J L Jay

The multi-fixation glaucoma screening chart, which uses the oculokinetic perimetry (OKP) technique, is a hand-held tangent screen with a central black test stimulus on a white background and a series of 26 numbered fixation targets arranged around the stimulus at various locations. When the numbers on the chart are read by the patient from 40 cm distance, the test stimulus passes through the re...

Journal: :Investigative ophthalmology & visual science 2017
Vera M Mönter David P Crabb Paul H Artes

Purpose Peripheral vision is important for mobility, balance, and guidance of attention, but standard perimetry examines only <20% of the entire visual field. We report on the relation between central and peripheral visual field damage, and on retest variability, with a simple approach for automated kinetic perimetry (AKP) of the peripheral field. Methods Thirty patients with glaucoma (median...

Journal: :British Journal of Ophthalmology 1995

Journal: :British Journal of Ophthalmology 2004

Journal: :The British journal of ophthalmology 2001
R Casson B James A Rubinstein H Ali

AIM To determine the number of missed points on frequency doubling technology (FDT) perimetry that optimise the sensitivity and specificity of the test and to determine the topographical accuracy of the test in a clinical setting. METHODS In a prospective study, the perimetric data from 99 patients who underwent both FDT perimetry in the screening mode and Humphrey 24-2 (H24-2) were used to d...

Journal: :Archives of ophthalmology 2006
Stacy L Pineles Nicholas J Volpe Eydie Miller-Ellis Steven L Galetta Prithvi S Sankar Kenneth S Shindler Maureen G Maguire

OBJECTIVES To create a fully automated, combined perimetry program consisting of a static examination and a kinetic examination, and to compare the results of this test with standard static and kinetic visual fields (VFs). METHODS Fifty-six patients (74 eyes) undergoing neuro-ophthalmic or glaucoma evaluation who had standard static or kinetic perimetry examinations underwent the combined per...

Journal: :British Journal of Ophthalmology 1997

Journal: :The British journal of ophthalmology 2003
J Landers A Sharma I Goldberg S Graham

BACKGROUND The Humphrey field analyser (HFA), Humphrey-Zeiss frequency doubling perimeter, and the Medmont automated perimeter (MAP) are three commonly used automated perimeters with threshold achromatic methodologies. Visual field loss may be detected earlier with strategies that target cell lines with reduced redundancy or which suffer selective damage. METHOD To compare these three perimet...

2017
Alice D. McTrusty Lorraine A. Cameron Antonios Perperidis Harry M. Brash Andrew J. Tatham Pankaj K. Agarwal Ian C. Murray Brian W. Fleck Robert A. Minns

PURPOSE We compared patterns of visual field loss detected by standard automated perimetry (SAP) to saccadic vector optokinetic perimetry (SVOP) and examined patient perceptions of each test. METHODS A cross-sectional study was done of 58 healthy subjects and 103 with glaucoma who were tested using SAP and two versions of SVOP (v1 and v2). Visual fields from both devices were categorized by m...

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