Evaluation of a Relative Afferent Pupillary Defect using the RAPDx® Device Before and After Treatment in Patients with Optic Nerve Disease
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Published on: October 25, 2016
Tsukasa Satou1, Hitoshi Ishikawa2,3, Toshiaki Goseki2
1Department of Orthoptics and Visual Sciences, School of Health Sciences, International University of Health and Welfare, Tochigi, Japan.
Abstract:
We evaluated the amplitude and latency scores in the RAPDx® device together with other ophthalmic examinations, before and after treatment in four patients with optic nerve disease. In all patients, the visual acuity (VA) and visual field (VF) after treatment was resolved. Both scores after treatment were lower, with reduced laterality-based differences in VA and critical flicker fusion frequency (CFF). Even after treatment, 3 patients had laterality-based differences in circumpapillary retinal nerve fiber layer thickness (cpRFNLT). Both scores for evaluation of RAPD by RAPDx® correlated with subjective examinations and were useful for evaluation of the efficacy of treatment.
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