| Current supplement Archive Acta Ophthalmologica Polonica |
1-2/2004
vol. 106 abstract:
Original paper
Comparison of SKP (semi-automated kinetic perimetry) and SASP (suprathreshold automated static perimetry) techniques in patients with advanced glaucoma
Katarzyna Nowomiejska
1, 2
,
Jens Paetzold
1
,
Elke Krapp
1
,
Robert Rejdak
2
,
Zbigniew Zagórski
2
,
Ulrich Schiefer
1
KLINIKA OCZNA 2004, Supl. 1-2: S231–S233
Online publish date: 2022/12/30
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Purpose
To compare the results of conventional suprathresold automated static perimetry (SASP) and a new method of kinetic visual field examination (semi-automated kinetic perimetry – SKP) in patients with advanced retinal nerve fibre layer (RNFL) defects, caused by glaucoma. Material and methods Nineteen patients (10 women and 9 men) suffering from advanced open-angle glaucoma (17 patients) and low tension glaucoma (2 patients) were enrolled in this study. The mean age was 65,3 years (range 49,0-82,9 years). One eye of each subject was examined with SKP and SASP, both implemented in Octopus 101 perimeter (Haag-Streit, Koeniz, Switzerland) on the same day. The examiner using SKP did not know the SASP results. The static visual field examination was performed first. In order to compare visual fields results obtained with both methods, only central 30o area of the visual fields was taken into consideration. The area obtained by creating a virtual isopter (option of SKP software) located between the position of defective and intact visual field regions of SASP and the area of I4e isopter obtained with SKP (stimulus angular velocity 3o/s) were measured in deg2 and compared. Results The mean area (±SD) of I4e isopter obtained with SKP was 1882 deg2 (± 510 deg2) and the mean area of SASP 30o visual field was 1737 deg2 (± 546 deg2). This difference was not statistically significant. Conclusions Quantitative comparison of static and kinetic perimetry is a difficult task to perform. The SKP software offers a possibility of direct quantitative assessment of the area of each isopters in deg2. This study shows that the results of visual field examinations obtained with both methods in this group do not differ significantly between SASP and SKP. keywords:
advanced glaucoma, suprathresold automated, perimetry |
