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近视眼2.5D是几百度
更新时间: 2020-09-25 00:00:00  

1、是250 度;

2、D代表光学上的屈光度,1D等于100度;

3、光线由一种物体射入到另一种光密度不同的物质时,其光线的传播方向产生偏折,这种现象称为屈光现象,表示这种屈光现象大小;

4、屈光力的单位是屈光度,缩写为D,1D屈光力相当于可将平行光线聚焦在1米焦距上,1 屈光度或 1D 等于常说的 100 度。

关键词: 近视眼 5d

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