Bay Wah Tan

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BACKGROUND/PURPOSE The effect of orthokeratology (OK) on low myopia is well known, but there are a few reports on its effect on high myopia. In this study, the parametric changes in high and low myopia as results of wearing OK lenses for a period of 6 months have been analyzed. METHODS Records of schoolchildren (age 7-17 years) undergoing OK treatment(More)
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