Results 211 to 220 of about 7,228,335 (235)
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Ophthalmology, 1993
A new fast strategy for the estimation of threshold, FASTPAC, has been introduced for the Humphrey Field Analyzer. The aim of this study is to evaluate the performance, in a glaucomatous population, of FASTPAC compared with the standard full-threshold 4-2-decibel (dB) double-staircase strategy.The sample consisted of 30 glaucoma patients experienced in
Graham Tropé +2 more
exaly +3 more sources
A new fast strategy for the estimation of threshold, FASTPAC, has been introduced for the Humphrey Field Analyzer. The aim of this study is to evaluate the performance, in a glaucomatous population, of FASTPAC compared with the standard full-threshold 4-2-decibel (dB) double-staircase strategy.The sample consisted of 30 glaucoma patients experienced in
Graham Tropé +2 more
exaly +3 more sources
Relationship Between Foveal Threshold and Visual Acuity Using the Humphrey Visual Field Analyzer
American Journal of Ophthalmology, 2007Evaluate Humphrey visual field (VF) analyzer central 30-2 foveal threshold test for best-corrected visual acuity.Consecutive case series.Both eyes (n = 117) of 59 patients with diseased and healthy eyes presenting for VF analysis were evaluated to determine foveal threshold.
John R Samples, Laurie Dustin
exaly +3 more sources
Multicenter Comparison of the Toronto Portable Perimeter with the Humphrey Field Analyzer
Ophthalmology Glaucoma, 2022Iqbal Ike K Ahmed +2 more
exaly +2 more sources
Perimetric Comparison Between the IMOvifa and Humphrey Field Analyzer
Journal of Glaucoma, 2022Précis: IMO visual function analyzer (IMOvifa), a binocular perimeter, has similar output to the Humphrey Field Analyzer (HFA), but reduced the measurement time. Purpose: The purpose of this study is to evaluate the performance of IMOvifa, a perimeter that performs binocular visual ...
Takashi, Nishida +6 more
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The Normal Visual Field on the Humphrey Field Analyzer
Ophthalmologica, 2010To provide a bank of normal perimetric data, we tested the central and peripheral visual fields of 102 novice normal subjects using the Humphrey automated perimeter. All eyes used for visual field testing were first carefully examined to be sure that they were, indeed, normal. We calculated population means and standard deviations of each test location
R S, Brenton, C D, Phelps
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Comparison of Matrix with Humphrey Field Analyzer II with SITA
Optometry and Vision Science, 2015ABSTRACT Purpose To study the performance of the Matrix perimeter compared with the Humphrey Field Analyzer II (HFA) with the Swedish Interactive Thresholding Algorithm over the range of contrast sensitivities each machine could estimate.
Marie-Josée, Fredette +4 more
openaire +2 more sources
European Journal of Ophthalmology, 2020
Purpose: We compared the performance and usability of the Fundus Automated Perimetry (FAP) and Humphrey Field Analyzer (HFA) in patients with glaucoma, ocular hypertension, and healthy subjects. Materials and methods: A total of 60 ...
Morbio, Roberta +5 more
openaire +3 more sources
Purpose: We compared the performance and usability of the Fundus Automated Perimetry (FAP) and Humphrey Field Analyzer (HFA) in patients with glaucoma, ocular hypertension, and healthy subjects. Materials and methods: A total of 60 ...
Morbio, Roberta +5 more
openaire +3 more sources
Archives of Ophthalmology, 1992
A Humphrey automated perimeter was used to measure the central 24 degrees of vision with static threshold targets and the peripheral field with two automatic kinetic stimuli in 100 eyes of 100 patients with glaucoma or a suspicion of glaucoma and to compare the additional information gained with the peripheral tests.
B J, Ballon +3 more
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A Humphrey automated perimeter was used to measure the central 24 degrees of vision with static threshold targets and the peripheral field with two automatic kinetic stimuli in 100 eyes of 100 patients with glaucoma or a suspicion of glaucoma and to compare the additional information gained with the peripheral tests.
B J, Ballon +3 more
openaire +2 more sources
Maximizing the dynamic range of the Humphrey Field Analyzer for blue‐on‐yellow perimetry
Ophthalmic and Physiological Optics, 1993The conditions employed for blue‐on‐yellow perimetry (i.e. a blue stimulus filter and a high luminance yellow background) are in conflict with those that allow a maximum dynamic range. A modification is described for increasing the dynamic range of the Humphrey Field Analyzer (HFA) for blue‐on‐yellow perimetry. The position of the HFA stimulus bulb was
C, Hudson, J M, Wild, J, Archer-Hall
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Comparing the Performance of Compass Perimetry With Humphrey Field Analyzer in Eyes With Glaucoma
Journal of Glaucoma, 2017Purpose: To evaluate the reliability indices [fixation losses, false negative response rates (FN) and false positive response rates] and threshold sensitivities obtained from glaucoma patients with a Compass perimeter and to compare the same with the Humphrey field analyzer (HFA). Methods:
Harsha L, Rao +9 more
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