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Article: Seven-year retrospective analysis of the myopic control effect of orthokeratology in children: a pilot study

TitleSeven-year retrospective analysis of the myopic control effect of orthokeratology in children: a pilot study
Authors
Keywordsmyopia
contact lens
orthokeratology
myopia progression
Issue Date2011
PublisherDove Medical Press Ltd.
Citation
Clinical Optometry, 2011, v. 2011 n. 3, p. 1-4 How to Cite?
AbstractObjectives: To investigate retrospectively the difference in myopia progression, over about 7 years, between two groups of Hong Kong Chinese myopic children who wore overnight orthokeratology lenses or single-vision spectacles. Methods: A total of 238 records of children wearing overnight orthokeratology lenses or single-vision spectacles from Eye’ni optical shop (Hong Kong) between January 1999 and December 2009 were reviewed. Refractive and central corneal curvature data with 6-year or a longer follow-up period of 70 patients were retrieved: 34 children (15 boys and 19 girls, aged 9.2 ± 1.8 years) wore orthokeratology lenses and 36 (20 boys and 16 girls, aged 10.2 ± 2.0 years) wore spectacles. Myopic progression was determined as the change of myopia from the baseline to the final visit. Results: No statistically significant differences (P > 0.05) in age, central flat corneal curvatures, baseline refractive error, or follow-up period were observed between the two groups. Average myopic progression of the overnight orthokeratology contact lens cohort (-0.37 ± 0.49 D) was significantly less (P < 0.001) than of the single-vision spectacle group (-2.06 ± 0.81 D) over about 7 years. Conclusion: Our preliminary 7-year data support the claim that overnight orthokeratology contact lenses may be a feasible clinical method for myopic progression control. Prospective and randomized investigations are warranted to overcome the limitations of this retrospective study.
Persistent Identifierhttp://hdl.handle.net/10722/209217
ISSN

 

DC FieldValueLanguage
dc.contributor.authorMok, KH-
dc.contributor.authorChung, CST-
dc.date.accessioned2015-04-13T02:49:13Z-
dc.date.available2015-04-13T02:49:13Z-
dc.date.issued2011-
dc.identifier.citationClinical Optometry, 2011, v. 2011 n. 3, p. 1-4-
dc.identifier.issn1179-2752-
dc.identifier.urihttp://hdl.handle.net/10722/209217-
dc.description.abstractObjectives: To investigate retrospectively the difference in myopia progression, over about 7 years, between two groups of Hong Kong Chinese myopic children who wore overnight orthokeratology lenses or single-vision spectacles. Methods: A total of 238 records of children wearing overnight orthokeratology lenses or single-vision spectacles from Eye’ni optical shop (Hong Kong) between January 1999 and December 2009 were reviewed. Refractive and central corneal curvature data with 6-year or a longer follow-up period of 70 patients were retrieved: 34 children (15 boys and 19 girls, aged 9.2 ± 1.8 years) wore orthokeratology lenses and 36 (20 boys and 16 girls, aged 10.2 ± 2.0 years) wore spectacles. Myopic progression was determined as the change of myopia from the baseline to the final visit. Results: No statistically significant differences (P > 0.05) in age, central flat corneal curvatures, baseline refractive error, or follow-up period were observed between the two groups. Average myopic progression of the overnight orthokeratology contact lens cohort (-0.37 ± 0.49 D) was significantly less (P < 0.001) than of the single-vision spectacle group (-2.06 ± 0.81 D) over about 7 years. Conclusion: Our preliminary 7-year data support the claim that overnight orthokeratology contact lenses may be a feasible clinical method for myopic progression control. Prospective and randomized investigations are warranted to overcome the limitations of this retrospective study.-
dc.languageeng-
dc.publisherDove Medical Press Ltd.-
dc.relation.ispartofClinical Optometry-
dc.subjectmyopia-
dc.subjectcontact lens-
dc.subjectorthokeratology-
dc.subjectmyopia progression-
dc.titleSeven-year retrospective analysis of the myopic control effect of orthokeratology in children: a pilot study-
dc.typeArticle-
dc.identifier.emailMok, KH: akhmok@HKUCC.hku.hk-
dc.description.naturelink_to_OA_fulltext-
dc.identifier.doi10.2147/OPTO.S16599-
dc.identifier.hkuros184523-
dc.identifier.volume2011-
dc.identifier.issue3-
dc.identifier.spage1-
dc.identifier.epage4-
dc.publisher.placeUnited Kingdom-

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