Correlation between pigmented arc and epithelial thickness (COPE) study in orthokeratology-treated patients using OCT measurements.

Eye
Chun-Fu LiuShu-Yen Peng

Abstract

To determine the intensity of corneal pigmented arc in orthokeratology (ortho-k)-treated children, and its correlation with key epithelial thickness measurements obtained by anterior segment optical coherence tomography (AS-OCT). This study is a retrospective case series. Medical records of children who received ortho-k treatment for myopia control in our hospital were reviewed. Intensity of ortho-k-associated pigmented arc and its correlation with key epithelial thickness parameters in the central 7-mm-diameter zone obtained by AS-OCT was examined. The subjects were further divided into apparent and unapparent pigmented arc groups for severity comparison. The mean age of children was 11.4 years, and the incidence of corneal pigmented arc was 92.2% after lens wear for a mean duration of 21.2 months. Intensity of pigmented arc was found to be significantly correlated with key epithelial thickness parameters, including maximum and minimum epithelial thickness (Spearman's rank correlation coefficient (rs) = 0.404, P = 0.003; rs = - 0.426, P = 0.002, respectively), the difference between them (Min-Max) (rs = -0.624, P < 0.001) and standard deviation (rs = 0.659, P < 0.001). Significant correlation between intensity of pigmented arc...Continue Reading

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Citations

Mar 30, 2021·Contact Lens & Anterior Eye : the Journal of the British Contact Lens Association·Stephen J VincentLyndon Jones
Apr 20, 2021·Klinische Monatsblätter für Augenheilkunde·Theresia Ring-Mangold, Ralf Emminger

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Software Mentioned

SPSS
OCT
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