Results 161 to 170 of about 1,687 (210)

Influence of Age, Race, and Corneal Factors on Intraocular Pressure Measurements with Goldmann, Pascal, and Ocular Response Analyzer. [PDF]

J Curr Glaucoma Pract
Doi L, Oshima A, Hossaka S, Amaral DC, Brazuna R, Jr JAP.   +5 more
europepmc   +1 more source

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Frequency-doubling technology perimetry

Ophthalmology Clinics of North America, 2003
The FDT perimeter is a compact and relatively inexpensive perimeter whose transportability, tolerance to refractive errors, and rapid test times (less than 1 minute per eye) make it a suitable candidate for visual field screening. It is a uniform finding that the C-20-1 screening protocol of the FDT perimeter provides good sensitivity and specificity ...
Andrew J, Anderson, Chris A, Johnson
openaire   +4 more sources

Frequency Doubling Technology Perimetry in Normal Children

American Journal of Ophthalmology, 2006
To test visual field thresholds of normal children with frequency doubling technology (FDT) perimetry to quantify testing times and reliability characteristics in a pediatric population and to determine whether current methods of stratifying adult threshold values need revision for children.Prospective cross-sectional study.Ninety-four children, ages 5
Laurel M, Quinn, Stuart K, Gardiner, David T, Wheeler, Michelle, Newkirk, Chris A, Johnson   +4 more
openaire   +2 more sources

Frequency Doubling Technology perimetry and standard automated perimetry in migraine

Ophthalmic and Physiological Optics, 2005
AbstractThe literature suggests that visual field defects may be more common in people who experience migraine. The Humphrey frequency doubling (FDT) visual field instrument selectively examines the magnocellular visual pathway, but has not previously been used to investigate visual function in migraine.
Deacon E, Harle, Bruce J W, Evans
openaire   +2 more sources

Normal Aging Effects for Frequency Doubling Technology Perimetry

Optometry and Vision Science, 1999
To determine the influence of normal aging on contrast sensitivity for frequency doubling technology (FDT) perimetry.Contrast sensitivity measures were obtained for frequency-doubled stimuli (0.25 cycles per degree sinusoidal gratings undergoing 25 Hz counterphase flicker) at 17 target locations (4 per quadrant plus the central 5 degrees ) using a ...
C W, Adams, M A, Bullimore, M, Wall, M, Fingeret, C A, Johnson   +4 more
openaire   +2 more sources

Effect of cataract extraction on frequency doubling technology perimetry

American Journal of Ophthalmology, 2004
To investigate the effect of cataract extraction on the results of frequency doubling technology (FDT) perimetry in healthy subjects.Single-center, prospective, case series.We performed FDT threshold C20-1 and Humphrey Swedish Interactive Threshold Algorithm (SITA)-fast programs within 1 month before and 2 months after phacoemulsification in 52 ...
Michael S, Kook, Sung Jae, Yang, Suhyun, Kim, Jiyong, Chung, Soon-Tae, Kim, Hungwon, Tchah   +5 more
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Relationship between Indices of Humphrey Perimetry and Frequency Doubling Technology Perimetry in Glaucoma

Journal of Glaucoma, 2004
To study whether the correlation between indices of Humphrey perimetry and Frequency Doubling Technology (FDT) perimetry differs in the early and later stages of glaucoma.This study included 200 eyes of 200 patients with primary open-angle glaucoma or normal-tension glaucoma. The eyes were classified into the early and later stages by the median value (
Atsushi, Fukushima, Motohiro, Shirakashi, Kiyoshi, Yaoeda, Shigeo, Funaki, Haruko, Funaki, Nobutaka, Ofuchi, Haruki, Abe   +6 more
openaire   +2 more sources

Short-wavelength automated perimetry and frequency-doubling technology perimetry in glaucoma

2008
Standard automated perimetry (SAP) is today still the clinical standard for the management of glaucoma and its progression, though it has been shown that it may detect the disease only after the death of a high number of retinal ganglion cells (RGCs).
P. Fogagnolo, L. Rossetti, S. Ranno, A. Ferreras, N. Orzalesi   +4 more
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The Influence of Learning Effect on Frequency Doubling Technology Perimetry (Matrix)

Journal of Glaucoma, 2007
To determine learning effect in healthy patients without perimetric experience, tested with the frequency doubling technology perimetry, with the new model Matrix.Frequency doubling technology in the 30-2 threshold mode was performed on 37 healthy subjects. Each subject was tested twice in different sessions.
CONTESTABILE, Maria Teresa, Andrea Perdicchi, Stefano Amodeo, Vincenzo Recupero, RECUPERO, Santi Maria   +4 more
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Agreement between frequency-doubling technology perimetry and Heidelberg retinal tomography 3

Japanese Journal of Ophthalmology, 2013
To compare Heidelberg retinal tomography (HRT) 3 and frequency-doubling technology (FDT) perimetry for diagnosis of glaucoma.One eye of each of 117 patients was randomly chosen. The eyes were imaged by HRT3 and tested by FDT. The pattern standard deviation (PSD) and global glaucoma probability score (GPS) were selected as representative output, and ...
Na Young, Lee, Hye Jin, Chung, Chan Kee, Park   +2 more
openaire   +2 more sources