Age- and refraction-related changes in anterior segment anatomical structures measured by swept-source anterior segment OCT

Xiaobin Xie, Giulia Corradetti, Abe Song, Anmol Pardeshi, William Sultan, Jong Yeon Lee, Fei Yu, Lixia Zhang, Shuang Chen, Vikas Chopra, Srinivas R Sadda, Benjamin Xu and Alex S Huang

PLOS ONE, 2020, vol. 15, issue 10, 1-18

Abstract: Purpose: To assess the effects of age and refractive status on anterior segment anatomical structures, including the ciliary body, using a new swept-source anterior segment optical coherence tomography (AS-OCT) device. Methods: This prospective observational study included 63 healthy volunteers (mean age: 44.2 years). Images of the anterior segment were obtained using a new swept-source AS-OCT (ANTERION, Heidelberg Engineering GmbH, Heidelberg, Germany) with tracking and image averaging from the right eye of all participants. Repeatability as well as inter- and intra-observer reliability of biometric measurements were evaluated. The impact of image tracking and averaging on ciliary muscle measurements was tested. Univariate and multivariable statistical models were developed to evaluate the relationship of age and refractive status on anterior segment biometric measurements. Results: For all test-retest repeatability and inter- and intra-observer reproducibility of swept-source AS-OCT measurements, high intraclass correlation (ICC) was noted (0.88–1.00). The nasal maximum ciliary muscle thickness (CMTMAX) and distance between scleral spur to the thickest point of the ciliary muscle (SSMAX) were larger than those on the temporal side (p

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0240110

DOI: 10.1371/journal.pone.0240110

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