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Stato-kinetic dissociation in subjects with normal and abnormal visual fields
1University Eye Clinic of Brescia, Italy.
Purpose:
The aim of the study was to assess the presence and the importance of stato-kinetic dissociation (SKD) in subjects with normal and pathological visual fields (VF).
Methods:
A "customized" perimetric test designed for the assessment of SKD was carried out in seven homogeneous samples of subjects (normal, glaucomatous, ocular hypertensive, retinopathic, cataract, anterior visual pathways neuropathic and posterior visual pathways neuropathic). The results were statistically compared (Anova).
Results And Conclusions:
SKD is a physiological phenomenon, more evident in the central, paracentral and superior VF, influenced by age and partially by sex. SKD increases in the VF periphery when a posterior visual pathway disorder or retinopathy is present, and decreases in the centro-paracentral VF of glaucomatous and ocular hypertensive eyes. This SKD behaviour should be useful for early diagnosis of glaucoma.
