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Short Wavelength and Frequency Doubling Technology Perimetry

2019
Short Wavelength Automated Perimetry (SWAP) is based on the principal to evaluate different retinal ganglion cells population. SWAP detects the visual field defects by testing sensitiveness to short—wavelength (blue-yellow light) by isolating S cone system and reducing the participation of other cone systems (red—long wavelength, green—medium ...
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Anatomic and functional correlation of frequency-doubling technology perimetry (FDTP) in multiple sclerosis

International Ophthalmology, 2011
To study the correlation between the results of frequency-doubling technology perimetry (FDTP), visual function (visual acuity, contrast vision, standard automated perimetry (SAP)) and the thickness of the retinal nerve fiber layer (RNFL) throughout the course of multiple sclerosis (MS).
Harold, Merle   +5 more
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Frequency doubling technology perimetry abnormalities as predictors of glaucomatous visual field loss

American Journal of Ophthalmology, 2004
To determine whether frequency doubling technology (FDT) perimetry results predict glaucomatous visual field defects, as assessed by standard automated perimetry (SAP), in a glaucoma suspect population.Longitudinal observational study.The study included 105 eyes of 105 glaucoma suspect patients, with a mean follow-up time of 41 +/- 17 months.
Felipe A, Medeiros   +2 more
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The role of the standard automated perimetry and Frequency doubling technology perimetry in diabetic retinopathy

2013
Purpose: To determine if standard automated perimetry SAP and FDT perimetry can detect the effect of diabetes on retinal function in persons with diabetes in the early stage of disease and what methods is better. Researchers argued about fact that FDT can detect earlier visual disfunction than SAP.
Biuk, Dubravka   +2 more
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The reliability of frequency-doubling technology (FDT) perimetry in a pediatric population.

Optometry (St. Louis, Mo.), 2003
Frequency-doubling Technology IFDT) Perimetry was introduced as a rapid, easy method for detection of visual-field defects in adults. Its reliability, howev, has never been tested among pediatric patients. The purpose of this study was to determine if children could complete a screening program of FDT Perimetry reliably and to define the age range over
Kristine, Becker, Leo, Semes
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Frequency doubling technology perimetry in age-related macular degeneration.

Zhonghua yi xue za zhi = Chinese medical journal; Free China ed, 2002
The role of frequency doubling technology perimetry (FDT) in glaucoma has been promising in terms of speed and simplicity as well as in its high sensitivity and specificity compared to conventional automatic perimetry. In this study, we investigated the possible role of FDT in exudative type age-related macular degeneration (ARMD).FDT using full ...
Shwu-Jiuan, Sheu   +4 more
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The role of the standard automated perimetry (SAP)and Frequency doubling technology perimetry (FDT) in diabetic retinopathy

2013
Uloga standardne automatske perimetrije (SAP) i perimetrije tehnologijom udvostručene frekvencije (FDT) u dijabetičkoj retinopatiji.
Barać, Josip   +4 more
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