通过３ａ的大学生体检结果看出，视力下降逐年增多，屈光不正占总调查人数的６０％．调查中，大部分患者配戴一般眼镜，少数患者因种种原因不能接受镜片的矫正。如：屈光参差、高度近视（＞－６．００Ｄ）因镜片过厚不方便等因素选戴接触镜。但对角膜的影响随即而出，现将... 3a college students through physical examination results show that visual acuity decreased year by year, refractive errors accounted for 60% of the total number of investigations. Survey, the majority of patients wearing general glasses, a small number of patients due to various reasons can not accept the lens correction. Such as: anisometropia, high myopia (> -6.00D) because of the lens is too thick and so inconvenient to wear contact lenses. But the impact on the cornea came out, now ...