，
;
透镜;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趋势。
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趋势。
Diopter telescopes are used for fast testing of optical power, ... MOELLER-WEDEL OPTICAL offers dioptertelescopes with different measuring ranges and ...
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