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Inter-test variability in glaucomatous patients tested with Optopol PTS-910

Poster Details

First Author: E.Ungureanu ROMANIA

Co Author(s):    A. Dascalu   D. Stana   A. Popa Cherecheanu   D. Serban     

Abstract Details



Purpose:

the quantitative documentation of the intertest variability (dB) for the Optopol PTS-910 automated perimeter, Glaucoma program.

Setting:

The paper presents a prospective study on 204 glaucomatous patients tested by complete ophthalmological exam. The initial visual field defects were classified according to the descriptive Aulhorn-Karmeyer scale. The automated perimetry was repeated weekly, for a month.

Methods:

The results were statistically analyzed (MedCalc software) and the variation was considered due to intertest variability, progression being excluded.

Results:

The medium intertest variability increases along with the perimetric stage :1.57+/-0.66 dB for pre-perimetric glaucoma, 2.13+1.04 dB for non-specific defects group, 3.23 + 1.01 dB for the stage 1, 3.52 + 2.61 dB, for the stage 2, 3.65 + 1.19 dB for the stage 3 and 5.82 +/- 1.67dB for the stage 4.

Conclusions:

A better description of the inter-test variability is useful for the differential diagnostic between the real change and the ḋ background noise Ṡ in early detection of the functional progression in glaucoma.

Financial Disclosure:

NONE

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