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

标准号：DIN EN ISO 8596-2009
中文标准名称：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
英文标准名称：Ophthalmic optics - Visual acuity testing - Standard optotype and its presentation (ISO 8596:2009); English version of DIN EN ISO 8596:2009-10
标准类型：C32
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：C32
国际标准分类号：11.040.70
引用标准：ISO 3-1973
适用范围：This International Standard specifies a range of Landolt ring optotypes and describes a method for measuringdistance 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 parciasightFor 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 InternationaCouncil of Ophthalmology[1].