{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,2]],"date-time":"2026-05-02T13:05:27Z","timestamp":1777727127909,"version":"3.51.4"},"reference-count":30,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[2026,2,1]],"date-time":"2026-02-01T00:00:00Z","timestamp":1769904000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},{"start":{"date-parts":[[2026,2,1]],"date-time":"2026-02-01T00:00:00Z","timestamp":1769904000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"name":"The Medical Discipline Construction Program of Shanghai Pudong New Area Health Commission","award":["PWZzk2022-10"],"award-info":[{"award-number":["PWZzk2022-10"]}]},{"name":"Community Medicine and Health Management, and Evaluation of Integrated Chinese and Western Medicine Treatment","award":["2023SQ03"],"award-info":[{"award-number":["2023SQ03"]}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J Int Med Res"],"published-print":{"date-parts":[[2026,2]]},"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To evaluate the repeatability and reproducibility of central axial length and peripheral axial length measurements in children using the Swan 660\u2009M.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This cross-sectional study was conducted from August to September 2024. A total of 60 children (6\u201315 years; no significant ocular diseases) were recruited from Zhoupu Hospital, Shanghai (30 males and 30 females; mean age 10.67\u2009\u00b1\u20092.47 years), and only right eyes were included in the analysis. The Swan 660\u2009M was used to measure central axial length and peripheral axial length. Measurement variability across operator and time was evaluated using the intra-group SD, test\u2013retest repeatability, coefficient of variation, and intraclass correlation coefficient.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The Swan 660\u2009M demonstrated good repeatability and reproducibility for the measurements of central axial length and most peripheral axial length points, including Nasal 1, Temporal 1, Temporal 2, and Temporal 3 (coefficient of variation &lt;5%, intraclass correlation coefficient &gt;0.9). However, measurement reliability was lower for certain peripheral axial length points, such as Nasal 5 (intraclass correlation coefficient &lt;0.75). The device also showed high stability in the measurements of central axial length (intraclass correlation coefficient\u2009=\u20090.999).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>The Swan 660\u2009M demonstrates high repeatability and reproducibility for central axial length and most peripheral axial length measurements in children, suggesting its potential application in tracking the progression of myopia and investigating the relationships between peripheral retinal morphology and refractive status in this population.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/03000605261418843","type":"journal-article","created":{"date-parts":[[2026,2,16]],"date-time":"2026-02-16T23:29:25Z","timestamp":1771284565000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Evaluation of repeatability and reproducibility of central and peripheral axial length measurements in children using the novel Swan optical biometer"],"prefix":"10.1177","volume":"54","author":[{"ORCID":"https:\/\/orcid.org\/0009-0008-2105-7598","authenticated-orcid":false,"given":"Qingxia","family":"Wang","sequence":"first","affiliation":[{"name":"Department of Ophthalmology, Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Huan","family":"Yu","sequence":"additional","affiliation":[{"name":"Department of Ophthalmology, Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dan","family":"Zhou","sequence":"additional","affiliation":[{"name":"Department of Ophthalmology, Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiaoyun","family":"Ma","sequence":"additional","affiliation":[{"name":"Department of Ophthalmology, Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2026,2,16]]},"reference":[{"key":"e_1_3_6_2_2","doi-asserted-by":"publisher","DOI":"10.1136\/bjo-2024-325427"},{"key":"e_1_3_6_3_2","doi-asserted-by":"publisher","DOI":"10.1186\/s40101-024-00354-7"},{"key":"e_1_3_6_4_2","doi-asserted-by":"publisher","DOI":"10.1136\/bjophthalmol-2017-311266"},{"key":"e_1_3_6_5_2","doi-asserted-by":"publisher","DOI":"10.1001\/jamanetworkopen.2023.4080"},{"key":"e_1_3_6_6_2","doi-asserted-by":"publisher","DOI":"10.7150\/ijms.79496"},{"key":"e_1_3_6_7_2","doi-asserted-by":"publisher","DOI":"10.3389\/fpubh.2023.1100437"},{"key":"e_1_3_6_8_2","doi-asserted-by":"publisher","DOI":"10.1097\/j.jcrs.0000000000000909"},{"key":"e_1_3_6_9_2","doi-asserted-by":"publisher","DOI":"10.1155\/2023\/3110478"},{"key":"e_1_3_6_10_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.clae.2021.101470"},{"key":"e_1_3_6_11_2","doi-asserted-by":"publisher","DOI":"10.1001\/jamaophthalmol.2024.0002"},{"key":"e_1_3_6_12_2","first-page":"385","article-title":"Comparison of axial length measured by domestic and imported partial coherence interferometry among children and adolescents","volume":"22","author":"Huang YT","year":"2022","unstructured":"Huang YT, Shen Y, Han T, et\u00a0al. 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