{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,21]],"date-time":"2026-10-21T22:55:37Z","timestamp":1792623337948,"version":"4.5.0"},"reference-count":14,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2025,3,6]],"date-time":"2025-03-06T00:00:00Z","timestamp":1741219200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2025,3,6]],"date-time":"2025-03-06T00:00:00Z","timestamp":1741219200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"DOI":"10.13039\/501100001794","name":"The University of Queensland","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100001794","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Int Ophthalmol"],"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>This prospective and comparative study assesses the agreement of anterior, posterior, and total corneal astigmatism measurements between swept-source optical coherence tomography (Anterion) and Scheimpflug cameras, Placido disc, and OCT-based tomography (Galilei G6).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      A total of 59 eyes of 59 patients were assessed using two optical biometers. Anterior, posterior, and total keratometry measurements were obtained, and flat (K1), steep (K2), astigmatic power, and J vectors (J\n                      <jats:sub>0<\/jats:sub>\n                      and J\n                      <jats:sub>45<\/jats:sub>\n                      ) were compared. Bland\u2013Altman plots and intraclass correlation coefficients (ICC) were used to evaluate agreement and reliability between the devices.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Statistically significant differences were found for flat keratometry measurements of anterior corneal power (Galilei G6: 43.41\u2009\u00b1\u20091.78; Anterion: 43.32\u2009\u00b1\u20091.73) and total corneal power (Galilei G6: 42.41\u2009\u00b1\u20091.85; Anterion: 42.84\u2009\u00b1\u20091.81), as well as for steep keratometry of posterior corneal power (Galilei G6: \u2212\u20096.41\u2009\u00b1\u20090.38; Anterion: \u2212\u20096.31\u2009\u00b1\u20090.30) and total corneal power (Galilei G6: 43.69\u2009\u00b1\u20091.89; Anterion: 43.91\u2009\u00b1\u20091.89) (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u2009.05). In contrast, no statistically significant differences were found for the mean power vector components comparison between the devices. Agreement analysis showed significant proportional bias for cylindrical power and vector components (J\n                      <jats:sub>0<\/jats:sub>\n                      and J\n                      <jats:sub>45<\/jats:sub>\n                      ) of posterior and total astigmatism. No bias was observed with any of the anterior astigmatism and vector components. ICC showed showed relatively poor reliability (ICC\u2009&lt;\u20090.5) between the device measurements moderate reliability for posterior corneal parameters.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Anterior, posterior, and total astigmatism measurements between the Anterion and Galilei G6 are not interchangeable.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1007\/s10792-025-03435-3","type":"journal-article","created":{"date-parts":[[2025,3,5]],"date-time":"2025-03-05T19:34:01Z","timestamp":1741203241000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Corneal astigmatism agreement between a swept-source ocular coherence tomography and Scheimpflug\u2013Placido based optical biometers"],"prefix":"10.1007","volume":"45","author":[{"given":"Cameron","family":"McLintock","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Samir","family":"Uprety","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"James","family":"McKelvie","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2025,3,6]]},"reference":[{"key":"3435_CR1","doi-asserted-by":"publisher","first-page":"2080","DOI":"10.1016\/j.jcrs.2012.08.036","volume":"38","author":"DD Koch","year":"2012","unstructured":"Koch DD, Ali SF, Weikert MP et al (2012) Contribution of posterior corneal astigmatism to total corneal astigmatism. 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