With age increasing,the diopter of these subjects had a tendency of hypermetropia from myopia.
随着年龄的增长，人眼的屈光度有由近视向远视变化的
。
With age increasing,the diopter of these subjects had a tendency of hypermetropia from myopia.
随着年龄的增长，人眼的屈光度有由近视向远视变化的。
In this paper, model of aspherisation for higher-dioptry spectacle lens is investigated.
文研究高屈光度眼用透镜消除
轴像散的非球面化模式。
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