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ANSI Z80.21-1992 (R2004)

Ophthalmics - Instruments - General-Purpose Clinical Visual Acuity Charts

Applies to all clinical visual acuity measurement systems using recognition of high contrast optotypes and which are designed for general use. It does not apply to special testing of visual acuity.

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VC (ASC Z80): Vision Council [VC (ASC Z80)]


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