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ANSI Z80.21 : 2010現(xiàn)行

OPHTHALMICS - INSTRUMENTS - GENERAL-PURPOSE CLINICAL VISUAL ACUITY CHARTS

出版:Optical Laboratories Association

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基本信息
標(biāo)準(zhǔn)編號(hào): ANSI Z80.21 : 2010
標(biāo)準(zhǔn)類別:Standard
出版單位:Optical Laboratories Association
標(biāo)準(zhǔn)頁(yè)數(shù):0
標(biāo)準(zhǔn)簡(jiǎn)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.