نتایج جستجو برای: wavelength automated perimetry

تعداد نتایج: 194549  

2003
RICHARD J. JAMARA

Sparing or partial recovery of visual fields in hemianopic patients is frequently difficult to document. This is because when testing large field losses, the standard automated or manual visual field testing systems have limited fixation controls. Measured visual field recovery in these cases may not be real but instead may be due to an artifact such as scanning eye movement. This article illus...

1999
G. MILANO

Purpose: Ocular hypertensives (OHT) are patients with high intraocular pressure (IOP), normal optic discs and visual fields. IOP is the major risk factor for glaucomatous disc damage. These OHT patients are considered ‘glaucoma suspects’ because there is a remote possibility of evolution toward disease. This means that clinical supervision is needed to discover glaucomatous disc damage as soon ...

2016
Kyoung In Jung Min Ku Kang Jin A. Choi Hye-Young Shin Chan Kee Park

PURPOSE We evaluated whether the structure-function relationship in glaucoma patients with parafoveal scotoma or peripheral scotoma differs with the use of frequency doubling technology (FDT) or short-wavelength automated perimetry (SWAP) compared to standard automated perimetry (SAP). METHODS Glaucoma patients with isolated parafoveal scotoma (PFS) within the central 10° of fixation in 1 hem...

Journal: :Investigative ophthalmology & visual science 2009
Ali Tafreshi Pamela A Sample Jeffrey M Liebmann Christopher A Girkin Linda M Zangwill Robert N Weinreb Maziar Lalezary Lyne Racette

PURPOSE To compare the most recent versions of standard automated perimetry (SAP), short-wavelength automated perimetry (SWAP), and frequency-doubling technology (FDT) using three definitions of visual field (VF) abnormality: single-test abnormality, abnormality confirmed by the same test, and abnormality confirmed by a different test. METHODS Data obtained from one eye of each of 174 patient...

Journal: :Archives in Neurology & Neuroscience 2019

Journal: :Investigative ophthalmology & visual science 2001
P G Spry C A Johnson A M McKendrick A Turpin

PURPOSE To evaluate and compare intra- and intertest variability components for both standard automated perimetry (SAP) and frequency-doubling technology (FDT) perimetry in a small group of normal individuals and patients with glaucoma. METHODS The method of constant stimuli (MOCS) was used to examine matched test locations with both SAP and FDT perimetry stimuli in a group of eight normal in...

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