Short-duration transient visual evoked potentials and color reflectivity discretization analysis in glaucoma patients and suspects
Journal Title: International Journal of Ophthalmology - Year 2017, Vol 10, Issue 2
Abstract
"AIM: To evaluate the use of short-duration transient visual evoked potentials (VEP) and color reflectivity discretization analysis (CORDA) in glaucomatous eyes, eyes suspected of having glaucoma, and healthy eyes. METHODS: The study included 136 eyes from 136 subjects: 49 eyes with glaucoma, 45 glaucoma suspect eyes, and 42 healthy eyes. Subjects underwent Humphrey visual field (VF) testing, VEP testing, as well as peripapillary retinal nerve fiber layer optical coherence tomography imaging studies with post-acquisition CORDA applied. Statistical analysis was performed using means and ranges, ANOVA, post-hoc comparisons using Turkey’s adjustment, Fisher’s Exact test, area under the curve, and Spearman correlation coefficients. RESULTS: Parameters from VEP and CORDA correlated significantly with VF mean deviation (MD) (P<0.05). In distinguishing glaucomatous eyes from controls, VEP demonstrated area under the curve (AUC) values of 0.64-0.75 for amplitude and 0.67-0.81 for latency. The CORDA HR1 parameter was highly discriminative for glaucomatous eyes vs controls (AUC=0.94). CONCLUSION: Significant correlations are found between MD and parameters of short-duration transient VEP and CORDA, diagnostic modalities which warrant further consideration in identifying glaucoma characteristics."
Authors and Affiliations
Michael Waisbourd
Keywords
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- EP ID EP610791
- DOI 10.18240/ijo.2017.02.12
- Views 68
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