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Wearing No-line Bifocals Slows Myopia Progression in Some Children

January 30, 2007 at 8:17 PM Women Health News   - G J E 4
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Wearing No-line Bifocals Slows Myopia Progression in Some Children
Certain children who wear a special kind of no-line bifocal lenses show signs of slower progression of myopia than those who wear more conventional lenses according to a new study published in the February 2007 issue of Investigative Ophthalmology & Visual Science (IOVS).

The study found that among children with two myopic parents, myopia progression was slower in children wearing progressive-addition lenses (PALs) when compared to those wearing single-vision lenses (SVLs). Knowing parental myopia may be helpful when deciding which myopic children are likely to benefit from special lenses.

Participants in this study were 232 of the 469 children aged 11 to 16 recruited for the Correction of Myopia Evaluation Trial (COMET). Among the children included in this study, 87 (37.5 percent) had two myopic parents.

"This study shows that parental refractive error should now be added to the constellation of factors which are related to the progression of juvenile onset myopia," said researcher Dan Kurtz of the New England College of Optometry.

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