{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,1]],"date-time":"2026-04-01T11:55:24Z","timestamp":1775044524377,"version":"3.50.1"},"reference-count":34,"publisher":"Wiley","license":[{"start":{"date-parts":[[2015,1,1]],"date-time":"2015-01-01T00:00:00Z","timestamp":1420070400000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"funder":[{"DOI":"10.13039\/501100001871","name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","doi-asserted-by":"publisher","award":["PTDC\/SAUBEB\/098392\/2008"],"award-info":[{"award-number":["PTDC\/SAUBEB\/098392\/2008"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001871","name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","doi-asserted-by":"publisher","award":["PTDC\/SAU-BEB\/098391\/2008"],"award-info":[{"award-number":["PTDC\/SAU-BEB\/098391\/2008"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001871","name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","doi-asserted-by":"publisher","award":["PTDC\/SAUBEB\/098392\/2008"],"award-info":[{"award-number":["PTDC\/SAUBEB\/098392\/2008"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001871","name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","doi-asserted-by":"publisher","award":["PTDC\/SAU-BEB\/098391\/2008"],"award-info":[{"award-number":["PTDC\/SAU-BEB\/098391\/2008"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["BioMed Research International"],"published-print":{"date-parts":[[2015]]},"abstract":"<jats:p><jats:italic>Objective.<\/jats:italic>To evaluate the degree of axial elongation with soft radial refractive gradient (SRRG) contact lenses, orthokeratology (OK), and single vision (SV) spectacle lenses (control) during a period of 1 year before treatment and 2 years after treatment.<jats:italic>Methods.<\/jats:italic>This was a prospective, longitudinal, nonrandomized study. The study groups consisted of 30, 29, and 41 children, respectively. The axial length (AL) was measured during 2 years after recruitment and lens fitting.<jats:italic>Results.<\/jats:italic>The baseline refractive sphere was correlated significantly (Spearman\u2019s Rho (<jats:italic>\u03c1<\/jats:italic>) correlation = 0.542;<jats:italic>P<\/jats:italic>&lt; 0.0001) with the amount of myopia progression before baseline. After 2 years, the mean myopia progression values for the SRRG, OK, and SV groups were \u22120.56 \u00b1 0.51, \u22120.32 \u00b1 0.53, and \u22120.98 \u00b1 0.58 diopter, respectively. The results represent reductions in myopic progression of 43% and 67% for the SRRG and OK groups, respectively, compared to the SV group. The AL increased 27% and 38% less in the SRRG and OK groups, respectively compared with the SV group at the 2-year visit (<jats:italic>P<\/jats:italic>&lt; 0.05). Axial elongation was not significantly different between SRRG and OK (<jats:italic>P<\/jats:italic>= 0.430).<jats:italic>Conclusion.<\/jats:italic>The SRRG lens significantly decreased AL elongation compared to the SV control group. The SRRG lens was similarly effective to OK in preventing myopia progression in myopic children and adolescent.<\/jats:p>","DOI":"10.1155\/2015\/507572","type":"journal-article","created":{"date-parts":[[2015,10,28]],"date-time":"2015-10-28T19:00:39Z","timestamp":1446058839000},"page":"1-10","source":"Crossref","is-referenced-by-count":117,"title":["Myopia Control with a Novel Peripheral Gradient Soft Lens and Orthokeratology: A 2-Year Clinical Trial"],"prefix":"10.1155","volume":"2015","author":[{"given":"Jaime","family":"Paun\u00e9","sequence":"first","affiliation":[{"name":"Centro M\u00e9dico Teknon, 08022 Barcelona, Spain"}]},{"given":"Hari","family":"Morales","sequence":"additional","affiliation":[{"name":"Centro M\u00e9dico Teknon, 08022 Barcelona, Spain"}]},{"given":"Jes\u00fas","family":"Armengol","sequence":"additional","affiliation":[{"name":"Departament d\u2019\u00d2ptica i Optometria, Universitat Polit\u00e8cnica de Catalunya-BarcelonaTech (UPC), 08222 Terrassa, Spain"}]},{"given":"Lluisa","family":"Quevedo","sequence":"additional","affiliation":[{"name":"Departament d\u2019\u00d2ptica i Optometria, Universitat Polit\u00e8cnica de Catalunya-BarcelonaTech (UPC), 08222 Terrassa, Spain"}]},{"given":"Miguel","family":"Faria-Ribeiro","sequence":"additional","affiliation":[{"name":"Clinical & Experimental Optometry Research Lab (CEORLab), Center of Physics, University of Minho, 4710-057 Braga, Portugal"}]},{"given":"Jos\u00e9 M.","family":"Gonz\u00e1lez-M\u00e9ijome","sequence":"additional","affiliation":[{"name":"Clinical & Experimental Optometry Research Lab (CEORLab), Center of Physics, University of Minho, 4710-057 Braga, 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