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Accepted (AM)Open Access (License Unspecified), Open
Journal article
Myopia Progression in Children Wearing Spectacles vs. Switching to Contact Lenses
Optometry and vision science, v 86(6), pp 741-747
01 Jun 2009
PMID: 19430326
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Purpose. To investigate myopia progression in Correction of Myopia Evaluation Trial (COMET) participants who switched to soft contact lenses (CLs) vs. remained in spectacles after the clinical trial ended.
Methods. Four hundred sixty-nine ethnically diverse, 6- to 11-year-old myopic children were randomly assigned to wear single vision lenses (SVLs) or progressive addition spectacle lenses (PALs) for 5 years as hart of COMET. Afterwards they could choose another lens type, including CLs. Data in this article are from 286 participants who wore their Original spectacle lenses for 6 years (n = 199) or wore CLs most or all the time between the 5- and 6-year visits (n = 87). Refractive error and axial length (AL) were measured after cycloplegia with 1% Tropicamide. The primary outcome was myopia progression between the 5- and 6-year visits. Two-year myopia progression was evalualed in a subset of 183 participants who wore the same lens type for an additional year. Myopia progression arc! AL were compared between the two lens groups using multiple linear regression.
Results. Participants in the two groups were similar with respect to age, ethnicity, myopia at 5-years, accommodation and phoria, but more girls switched to CLs Than remained in spectacles (h < 0.0001). Mean (+/- SD) myopia progression was higher (p = 0.003) after 1 year in the CL group 1-0.28 +/- 0.33 diopter (D)] than the spectacle group (-0.14 +/- 0.36 D), and remained higher after 2 years in the 2-year subset (-0.52 +/- 0.46 D vs. -0.25 +/- 0.39 D, h < 0.0001). Results were similar after adjustment for related factors. No significant differences in AL were found between groups after adjustment. Corneal curvature remained unchanged in both groups.
Conclusions. COMET children switching from glasses to CLs experienced a small, statistically significant but clinically inconsequential increase in myopia progression. (Optom Vis Sci 2009;86:741-747)
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Details
- Title
- Myopia Progression in Children Wearing Spectacles vs. Switching to Contact Lenses
- Creators
- Wendy L. Marsh-Tootle - University of AlabamaLi Ming Dong - Stony Brook UniversityLeslie Hyman - Stony Brook UniversityJane Gwiazda - New England Coll Optometry, Boston, MA USAKatherine K. Weise - University of AlabamaLynette Dias - Stony Brook UniversityKaren D. Fern - University of HoustonCOMET GrpMitchell Scheiman - Pennsylvania College of Optometry (PCO)
- Publication Details
- Optometry and vision science, v 86(6), pp 741-747
- Publisher
- Lippincott Williams & Wilkins
- Number of pages
- 7
- Grant note
- U10 EY011756; U10 EY011740; U10 EY011754; U10 EY011752; U10 EY011754-10; U10 EY011805 / NEI NIH HHS; United States Department of Health & Human Services; National Institutes of Health (NIH) - USA; NIH National Eye Institute (NEI) U10EY011756 / NATIONAL EYE INSTITUTE; United States Department of Health & Human Services; National Institutes of Health (NIH) - USA; NIH National Eye Institute (NEI)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Pennsylvania College of Optometry (PCO)
- Web of Science ID
- WOS:000266658900033
- Scopus ID
- 2-s2.0-68049096173
- Other Identifier
- 991021900190504721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Ophthalmology