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老花镜2D相当于远视距离多少
更新时间: 2020-11-04 00:00:00  

老花镜2D相当于远视距离100到150,老花是指上了年纪的人,逐渐产生近距离阅读或工作困难的情况。这是人体机能老化的一种现象。绝大多数的人在40到45岁左右眼睛会悄悄出现这种情况,首先感到看细小字迹模糊不清,必须要将书本、报纸拿远才能看清上面的字迹。

关键词: 老花镜 2d 相当 远视 距离 多少

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