ANSI Z80.21-2010

Ophthalmics - Instruments - General-Purpose Clinical Visual Acuity Charts

Applies 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. It does not apply to special testing of visual acuity, e.g., low-vision or low-contrast charts

VC (ASC Z80): Vision Council [vc (asc z80)]

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