{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,11]],"date-time":"2026-09-11T15:39:52Z","timestamp":1789141192158,"version":"build-2803163510"},"reference-count":54,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2024,7,21]],"date-time":"2024-07-21T00:00:00Z","timestamp":1721520000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100005416","name":"Norges Forskningsr\u00e5d","doi-asserted-by":"publisher","award":["311910"],"award-info":[{"award-number":["311910"]}],"id":[{"id":"10.13039\/501100005416","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clinical Exper Ophthalmology"],"published-print":{"date-parts":[[2024,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>To evaluate repeatability and agreement in measurements of total corneal astigmatism (TCA) in keratoconic eyes, using four optical coherence tomography (OCT)\u2010based devices: Anterion, Casia SS\u20101000, IOLMaster 700, and MS\u201039.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Three consecutive measurements were taken with each device in 136 eyes. TCA values were converted into components <jats:italic>J<\/jats:italic><jats:sub>0<\/jats:sub> and <jats:italic>J<\/jats:italic><jats:sub>45<\/jats:sub>. The Anterion and the IOLMaster 700 also provided axial length (AL) measurements. The repeatability was calculated using pooled within\u2010subject standard deviation (<jats:italic>S<\/jats:italic><jats:sub>w<\/jats:sub>). The agreement among the four devices was assessed by pairwise comparisons and Bland\u2013Altman plots.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>For all devices, the repeatability of TCA measurements showed <jats:italic>S<\/jats:italic><jats:sub>w<\/jats:sub>\u2009\u22640.23 D for TCA magnitude, \u22640.14 D for <jats:italic>J<\/jats:italic><jats:sub>0<\/jats:sub>, and\u2009\u22640.12 D for <jats:italic>J<\/jats:italic><jats:sub>45<\/jats:sub>. There were statistically significant differences in TCA magnitude for each pair, except for IOLMaster 700 with MS\u201039, and Anterion with MS\u201039. The repeatability (<jats:italic>S<\/jats:italic><jats:sub>w<\/jats:sub>) of axis measurements had a statistically significant negative correlation with the TCA magnitude (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001 for all devices). Both Anterion and IOLMaster 700 had high repeatability in AL measurements (<jats:italic>S<\/jats:italic><jats:sub>w<\/jats:sub>: 0.007\u2009mm for Anterion and 0.009\u2009mm for IOLMaster 700). The difference in AL between the two was 0.015\u2009\u00b1\u20090.033\u2009mm (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>All four devices showed good repeatability in TCA measurements in keratoconic eyes, the agreement for TCA measurements between the tested devices was generally low. Anterion and IOLMaster 700 showed good repeatability and agreement in AL measurements.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ceo.14423","type":"journal-article","created":{"date-parts":[[2024,7,22]],"date-time":"2024-07-22T02:04:46Z","timestamp":1721613886000},"page":"800-810","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Repeatability and agreement of total corneal astigmatism measured in keratoconic eyes using four current devices"],"prefix":"10.1111","volume":"52","author":[{"given":"Yue","family":"Feng","sequence":"first","affiliation":[{"name":"Institute of Community Medicine, Faculty of Health Sciences University in Troms\u00f8  Troms\u00f8 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