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发明名称
视力表
摘要
本实用新型提供一种检查远视力的卡片式视力表。这种视力表由若干张卡片组成。卡片的一个面上有一个视标,另一个面上有表示该视标等级的标记。检查视力时,由一个辅助者手持卡片,让受检者辨认卡片上的视标。卡片式视力表携带和使用比较方便,而且不会造成背诵记忆。
申请公布号
CN87217078U
申请公布日期
1988.09.14
申请号
CN87217078
申请日期
1987.12.27
申请人
肖立
发明人
肖立
分类号
A61B3/00
主分类号
A61B3/00
代理机构
代理人
主权项
1、一种检查远视力的视力表,其特征在于:由测试卡组成,所述之测试卡是片状物,它的一个面是有一个并且仅有一个视标的平面(即视标面),另一个面是有等级标记的标记面,该等级标记表示同一张测试卡视标面上视标的等级。
地址
辽宁省辽阳市卫生学校
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