Impact of rigid gas-permeable contact lens on keratometric indices and corneal thickness of keratoconus eyes examined with anterior segment optical coherence tomography

Kaho Akiyama, Takashi Ono, Hitoha Ishii, Lily Wei Chen, Kohdai Kitamoto, Tetsuya Toyono, Junko Yoshida, Makoto Aihara and Takashi Miyai

PLOS ONE, 2022, vol. 17, issue 7, 1-10

Abstract: Purpose/Aim: Detecting keratoconus (KC) progression helps determine the surgical indication for corneal cross-linking (CXL). This retrospective observational study aimed to examine changes in keratometric indices and corneal thickness in patients with KC who used rigid gas-permeable (RGP) contact lenses. Materials and methods: This study involved 31 eyes (31 patients) diagnosed with KC. No patient had used RGP or any other type of contact lenses for at least 1 month. Corneal topographic data were obtained using three-dimensional anterior segment optical coherence tomography before and after >1 month of RGP lens use. Results: The average and maximum keratometry values changed after using an RGP lens (-1.05 ± 1.92 D, p

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0270519

DOI: 10.1371/journal.pone.0270519

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