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KMID : 1159320180200040569
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Korean Journal of Vision Science
2018 Volume.20 No. 4 p.569 ~ p.577
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Effects of Myopia Alleviation Lenses in accordance with Parents’ Refractive Errors
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Cho Yoon-Chul
Kang Joong-Gu
Leem Hyun-Sung
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Abstract
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Purpose : The study looked at how effective each group wearing MyoVison lens, MC lens, and Single Vision lensdepending on their parents’ myopia condition.
Methods : The study observed the changeof spherical equivalent among customers, who visited between January 2010 and December 2016,of an optical shop in Incheon Metropolitan City. And we observed MyoVision 152 eyes, MC Lens 86 eyes and Single Vision lens 270 eyes. This study was conducted using SPSS ver18, which analyzes the changes in average values of MyoVision, MC Lens, and Single Vision for a year.In each group, the differences in the group were compared using the Paired T-test and then one-way ANOVA (post-hoc; Bonferroni)
Results : Group-to-group comparisons showed that MyoVision and MC Lens have a shorterinhibition than Single Vision. In particular, MyoVisionand MC Lens showed different relief effects depending on the degree of refraction of parents.When both parents had normal refractive, the change between MyoVision and Single Vision lens was -0.35±0.05D. When the father had a refraction MC lens were -0.36±0.14D more effective than Single Vision. When only the mother had refraction, the mean value between MyoVision and Single Vision lens was -0.37±0.06D, and the mean between MC lens and Single Vision lens was -0.38±0.08D. And when both parents had refraction problems, the mean value change between MyoVision and Single Vision lens was -0.28±0.07D, and -0.31±0.07D, respectively.
Conclusion : MyoVision and MC Lens appeared to have no effect on the functions of mitigating myopia in within group comparisons, but MyoVision and MC Lens showed reducing myopia than Single Vision in between group.
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KEYWORD
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MyoVision, MC lens, Myopia, Parents
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