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e视力表标准检测方法

更新时间: 2021-04-11 18:27:12     

1、e视力表的表达与传统的理念相反,即数字越小,视力越好。如能辨认1分视角的表达为0,大于1分视角的,表达为负值,而最佳能辨认视角为10分视角的,则表达为1。

2、临床上常用的EDTRS视力表的设计就是基于这个原理。

关键词: 视力表 标准 检测 方法

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