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Cycloplegic spherical equivalent refractive error (SEQ) was measured on\u2010axis and eccentric at 10\u00b0, 20\u00b0, and 30\u00b0 during nasal and temporal gaze in the horizontal plane with Shin\u2010Nippon Nvision\u2010K 5001. RPR was computed as SEQ\n                      <jats:sub>(eccentricity)<\/jats:sub>\n                      minus SEQ\n                      <jats:sub>(on axis)<\/jats:sub>\n                      . AL was measured with Lenstar LS900.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Twenty\u2010one and 28 subjects from the OKL and SVS groups, respectively were available for analysis. OKL wear induced significant myopic RPR at all eccentricities (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0\u2264\u20090.004) whereas peripheral refraction only changed in two out of six eccentric measuring points. Baseline peripheral refraction SEQ at all eccentricities, baseline on\u2010axis SEQ, and baseline RPR at 30\u00b0 nasal eccentricity were positively correlated to treatment efficacy defined as change in AL.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>We found no correlations between change in RPR and treatment efficacy defined as change in AL. Interestingly, our results suggest that the central emmetropisation that occurs during OKL\u2010use accounts for most of the optical changes and to a lesser extent the mid\u2010peripheral plus\u2010zone of the lens.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/aos.15217","type":"journal-article","created":{"date-parts":[[2022,8,9]],"date-time":"2022-08-09T01:34:15Z","timestamp":1660008855000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":20,"title":["Peripheral refraction, relative peripheral refraction, and axial growth: 18\u2010month data from the randomised study\u2014Clinical study Of Near\u2010sightedness;\n                    <scp>TReatment<\/scp>\n                    with Orthokeratology Lenses (\n                    <scp>CONTROL<\/scp>\n                    study)"],"prefix":"10.1111","volume":"101","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4496-2610","authenticated-orcid":false,"given":"Trine M.","family":"Jakobsen","sequence":"first","affiliation":[{"name":"Department of Ophthalmology University Hospital of Southern Denmark, Vejle Hospital  Vejle Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anders P.","family":"S\u00f8ndergaard","sequence":"additional","affiliation":[{"name":"Department of Ophthalmology University Hospital of Southern Denmark, Vejle Hospital  Vejle Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9678-2171","authenticated-orcid":false,"given":"Flemming","family":"M\u00f8ller","sequence":"additional","affiliation":[{"name":"Department of Ophthalmology University Hospital of Southern Denmark, Vejle Hospital  Vejle 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