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Multicenter Study
. 2002 Oct;134(4):529-37.
doi: 10.1016/s0002-9394(02)01684-7.

Performance of glaucoma mass screening with only a visual field test using frequency-doubling technology perimetry

Masayuki Tatemichi  1 , Tadashi Nakano, Katsutoshi Tanaka, Takeshi Hayashi, Takeshi Nawa, Toshiaki Miyamoto, Hisanori Hiro, Akio Iwasaki, Minoru Sugita; Glaucoma Screening Project (GSP) Study Group
Affiliations
Multicenter Study

Performance of glaucoma mass screening with only a visual field test using frequency-doubling technology perimetry

Masayuki Tatemichi et al. Am J Ophthalmol. 2002 Oct.

Erratum in

  • Am J Ophthalmol. 2003 Sep;136(3):592

Abstract

Purpose: To report the performance of glaucoma mass screening with only a visual field test utilizing frequency- doubling technology (FDT) perimetry in general populations.

Design: Hospital and population-based cross-sectional study.

Methods: This study took place in a multicenter setting. One hundred three consecutive glaucomatous patients and 14,814 persons were randomly selected. We had created a glaucoma screening protocol (GSP) using FDT perimetry (FDT-GSP). Frequency-doubling technology-glaucoma screening protocol was tested on consecutive glaucoma patients diagnosed with Humphrey visual field analyzer (30-2 SITA standard), and then FDT-GSP was applied to general populations. Frequency-doubling technology-glaucoma screening protocol positive subjects were ophthalmologically diagnosed. Detection ability of FDT-GSP was determined in consecutive patients, and the positive predictive value (PPV) of FDT-GSP to detect definitive glaucoma was estimated in general populations.

Results: Frequency-doubling technique-glaucoma screening protocol detected 83.3% and 100% of definitive glaucoma patients with an early (mean deviation [MD] > -6 dB) and more advanced stage (MD < or = -6 dB), respectively. In the population-based screening, there were 660 (4.5%) subjects who had positive FDT-GSP, including 512 in whom no visual field abnormalities (VFA) had been pointed out previously. Of them, 370 subjects underwent ophthalmologic diagnosis. Then, 266 (71.9%, 266/370) subjects had a glaucomatous disk and 167 had definitive glaucomatous VFA. Fifty-five (14.9%) and 39 (10.5%) subjects were diagnosed as having other diseases and as normal, respectively. The PPV of FDT-GSP ranged from 32.6% (167/512)-45.1% (167/370).

Conclusions: Frequency-doubling technology-based screening with only a visual field test showed reasonable performance on mass screening for detection of definitive glaucoma in this study population, considering the glaucoma prevalence.

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