ANSI Z80.21 : 2010現行
OPHTHALMICS - INSTRUMENTS - GENERAL-PURPOSE CLINICAL VISUAL ACUITY CHARTS
出版：Optical Laboratories Association
專家解讀視頻
基本信息
標準編號： ANSI Z80.21 : 2010
標準類別：Standard
出版單位：Optical Laboratories Association
標準頁數：0
標準簡介
Pertains to displays of optotypes for all clinical visual acuity measurement systems that use recognition of high-contrast optotypes and that are designed for general use including optotypes printed on opaque media, those intended for transillumination, electronically generated or projected displays.
