I.S. EN ISO 8596:2018&A1:2020现行
Ophthalmic optics - Visual acuity testing - Standard and clinical optotypes and their presentation - Amendment 1 (ISO 8596:2017/Amd1:2019)
出版：National Standards Authority of Ireland
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基本信息
标准编号： I.S. EN ISO 8596:2018&A1:2020
出版单位：National Standards Authority of Ireland
标准页数：36
标准简介
This document specifies a range of Landolt ring optotypes and describes a method for measuring distance visual acuity under photopic conditions for the purposes of certification or licensing.
本标准替代的旧标准
