Zhenzhen Tong, Yi Li, Jianmei Feng, Fang Wang, Yan-peng Chen
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Short-term effect of orthokeratology lens to correct myopia in school-age children
Objective
To observe the effect of OK lens correct and prevent myopia in school-age children.
Methods
A retrospective case-cohort study of 206 eyes ofschool-age children with myopia received treatment,which were divided into OK lens group 106 eyes and frame lens group of 100 eyes. The changes of UCVA,AL,SE and corneal curvature were analyzed.
Results
UCVA of OK lens group began to improve after 1day, improved obviously after 1month (P <0.05),1-6months UCVA tended to be stable;SE and corneal curvature decreased after 1day, decreased obviously after 1month (P <0.05). Compared with the frame lens group, the AL and SE increased after 1 day, but the growth rate was slow and the difference was statistically significant(P <0.01).
Conclusions
The OK lens is effective in correcting the myopia of school-age children, and it has a certain delay effect on the progression of myopia.
Key words:
Orthokeratology lens; School-age children; Spherical equivalent; Ocular axial length; Corneal curvature
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