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正常隐形眼镜的直径是多少度
更新时间: 2020-11-05 00:00:00  

一般隐形眼镜的边缘要超过角膜缘的1~1.5mm,这样才能与角膜稳定附着。以可见虹膜直径为参考,然后在此数值上加2~3mm即为应选择的镜片直径。中国人的的角膜平均直径约为11.5~12mm,因此选择镜片直径14mm左右较为合适。

关键词: 正常 隐形眼镜 直径 多少

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