在选择隐形眼镜时，很多人可能会对“度数”感到困惑。度数其实是用来描述眼睛屈光不正的程度，简单来说，就是眼睛看得清楚的能力。比如500度的隐形眼镜，适合近视500度的人使用。选择合适的度数非常重要，过高或过低都会影响视力。

Please provide your email address to receive an email when new articles are posted on . LAS VEGAS — CooperVision announced the expansion of its MyDay toric contact lens line to match the range of the ...