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Comparative Evaluation of Oculokinetic Perimetry and Henson CFS 2000 in Detecting Glaucomatous Field Detects.
Abstract
OculoKinetic perimetry (OKP) is a visual field test developed for use in situations where conventional perimetry is not convenient or readily available. The test is inexpensive fully portable and simple to perform and can therefore supplement conventional perimeter in non-ophthalmic clinics, the community, by the bedsides and in the patient's home. OKP uses controlled movements of the patient's eye to position a static test stimulus in the visual field. The test chart consists of a white tangent screen with 26 numbered fixation points located eccentrically at strategic points in relation to a central black spot, which is the test stimulus. As the patient looks at each number in turn, the central stimulus automatically moves through corresponding points in the visual field.
Defects are recorded on a miniature chart by crossing out the numbers that are associated with the disappearance of the test stimulus. In this study we have shown that in 80 eyes of 43 glaucomatous patients, the test is efficient and reliable when compared with Henson CFS2000 field test. The results were comparable in 88.75% of the eyes and the specificity relatively high at 95%. OKP appears to be a useful tool for glaucoma screening in the community.
KEYWORDS: Oculokinetic Perimetry, Glaucoma, Screening, Henson CFS2002, Visual field.
[Nig. J. Ophthalmology Vol.10(1): 10-15]
Defects are recorded on a miniature chart by crossing out the numbers that are associated with the disappearance of the test stimulus. In this study we have shown that in 80 eyes of 43 glaucomatous patients, the test is efficient and reliable when compared with Henson CFS2000 field test. The results were comparable in 88.75% of the eyes and the specificity relatively high at 95%. OKP appears to be a useful tool for glaucoma screening in the community.
KEYWORDS: Oculokinetic Perimetry, Glaucoma, Screening, Henson CFS2002, Visual field.
[Nig. J. Ophthalmology Vol.10(1): 10-15]
