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美瞳基弧多少合适

更新时间: 2020-11-30 00:00:00     

一般亚洲人的眼弧在8.4mm-8.6mm之间,美瞳的基弧和眼球的弧度差值应控制在0.2mm以内。基弧用于确定镜片是否适合自己的角膜曲率,以提供最佳的拟合度和舒适度。在选购美瞳之前建议在正规眼科医院确定自己眼球的基弧。基弧(BC)是隐形眼镜光学区后表面的曲率,大小用镜片的曲率半径表示。基弧越小,镜片弧度越陡峭,如果小于眼球的基弧会产生紧绷、压迫等不适感;基弧越大,镜片内表面越平坦,如果基弧过大,则会出现镜片无法贴合眼球,经常移位的情况。

关键词: 多少 合适

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