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ANSI Z80.21:2020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： ANSI Z80.21:2020
標(biāo)準(zhǔn)類別：Standard
出版單位：Optical Laboratories Association
標(biāo)準(zhǔn)頁數(shù)：0
標(biāo)準(zhǔn)簡介
This standard applies to displays of optotypes for all clinical visual acuity measurement systems that use recognition of optotypes and that are designed for general use including optotypes printed on opaque media, those intended for transillumination, electronically generated or projected displays.
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