DIN EN ISO 8596:2009
眼科光学.视觉灵敏度测试.标准验光字体及其演示(ISO 8596:2009),DIN EN ISO 8596:2009-10的英文版本

Ophthalmic optics - Visual acuity testing - Standard optotype and its presentation (ISO 8596:2009); English version of DIN EN ISO 8596:2009-10

被代替

标准号

DIN EN ISO 8596:2009

发布

2009年

发布单位

德国标准化学会

替代标准

DIN EN ISO 8596 E:2016-11

当前最新

DIN EN ISO 8596:2020-05

 

 

引用标准

ISO 3:1973

被代替标准

DIN EN ISO 8596:1996

适用范围

This International Standard specifies a range of Landolt ring optotypes and describes a method for measuring distance visual acuity under daylight conditions for the purposes of certification or licensing. It is neither intended as a standard for clinical measurements nor for the certification of blindness or parcia sight For the purposes of measuring visual acuity, the standard optotype should be used. For clinical use, see the recommendation prepared by the Visual Functions Committee of the Internationa Council of Ophthalmology[1].

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