{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,5]],"date-time":"2026-09-05T18:02:47Z","timestamp":1788631367649,"version":"build-2803163510"},"reference-count":40,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2022,11,15]],"date-time":"2022-11-15T00:00:00Z","timestamp":1668470400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["82070929"],"award-info":[{"award-number":["82070929"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Ophthalmic Physiologic Optic"],"published-print":{"date-parts":[[2023,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To investigate the correlation between the baseline axial length (AL) and axial elongation in myopes undergoing orthokeratology (ortho\u2010k).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      This was a retrospective study. During the 1\u2010year follow\u2010up, 1176 children (aged 8\u201314\u2009years) were included and divided into an ortho\u2010k group (\n                      <jats:italic>n<\/jats:italic>\n                      \u00a0=\u00a0588) and a single\u2010vision spectacle group (\n                      <jats:italic>n<\/jats:italic>\n                      \u00a0=\u00a0588). The ortho\u2010k group participants (8\u201311\u2009years of age) who completed the 3\u2010year follow\u2010up (\n                      <jats:italic>n<\/jats:italic>\n                      \u00a0=\u00a0150) were further divided into three subgroups stratified by their baseline AL: subgroup 1 (AL\u2009&lt;\u200924.5\u2009mm), subgroup 2 (24.5\u2009\u2264\u2009AL\u2009&lt;\u200926\u2009mm) and subgroup 3 (AL\u2009\u2265\u200926\u2009mm). AL was measured at baseline and during the annual visit.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The ortho\u2010k group exhibited slower 1\u2010year axial elongation (39% reduction) than the spectacle group. The 1\u2010year axial elongation was negatively correlated with initial age in both groups. A negative association between 1\u2010year axial elongation and baseline AL was observed in the ortho\u2010k group but not in the spectacle group. However, this relationship only existed in ortho\u2010k participants 8\u201311\u2009years of age. For the younger ortho\u2010k participants who completed the 3\u2010year follow\u2010up, the annual axial elongation was significantly higher in subgroup 1 for the first and second years but not in the third year compared with subgroups 2 and 3.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Axial elongation was negatively correlated with baseline AL in the ortho\u2010k group. Children aged 8\u201311\u2009years with longer baseline AL (\u226524.5\u2009mm) demonstrated slower annual axial elongation during the first 2\u2009years of ortho\u2010k treatment, which may provide insight into establishing individual guidelines for controlling myopia using ortho\u2010k in children with different baseline characteristics.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/opo.13070","type":"journal-article","created":{"date-parts":[[2022,11,15]],"date-time":"2022-11-15T05:20:17Z","timestamp":1668489617000},"page":"122-131","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":31,"title":["The relationship between baseline axial length and axial elongation in myopic children undergoing orthokeratology"],"prefix":"10.1007","volume":"43","author":[{"given":"Weiping","family":"Lin","sequence":"first","affiliation":[{"name":"Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry Tianjin Medical University Eye Hospital  Tianjin China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Na","family":"Li","sequence":"additional","affiliation":[{"name":"Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry Tianjin Medical University Eye Hospital  Tianjin China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kunpeng","family":"Lu","sequence":"additional","affiliation":[{"name":"Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry Tianjin Medical University Eye Hospital  Tianjin China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhaochun","family":"Li","sequence":"additional","affiliation":[{"name":"Euclid China (Euclid Trading (Shanghai) Ltd.)  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