1 . 缪天荣
,浙江人,著名眼科专家、我国眼视光学的开拓者.上世纪
年代,我国使用“国际标准视力表”检测视力,采用“小数记录法”记录视力数据,缪天荣发现其中存在不少缺陷.经过
年苦心研究,
年,他成功研制出“对数视力表”及“
分记录法”.这是一种既符合视力生理又便于统计和计算的视力检测系统,使中国的眼视光学研究站在了世界的巅峰.“
分记录法”将视力
和视角
(单位:
)设定为对数关系:
.如图,标准对数视力表中最大视标
的视角为
,则对应的视力为
.若小明能看清的某行视标
的大小是最大视标
的
(相应的视角为
),取
,则其视力用“
分记录法”记录( )
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2022-01-28更新
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