ANSI Z80.21
Ophthalmics-Instruments- General-Purpose Clinical Visual Acuity Charts
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| Organization: | ANSI |
| Publication Date: | 1 January 1992 |
| Status: | inactive |
| Page Count: | 11 |
Document History
May 27, 2010
Ophthalmics - Instruments - General-Purpose Clinical Visual Acuity Charts
This standard 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...
May 27, 2010
Ophthalmics-Instruments- General-Purpose Clinical Visual Acuity Charts
This standard 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...
January 1, 1992
Ophthalmics-Instruments- General-Purpose Clinical Visual Acuity Charts
This standard applies to all clinical visual acuity measurement systems that use recognition of high-contrast optotypes and that are designed for general use. It does not apply to special testing of...
ANSI Z80.21
January 1, 1992
Ophthalmics-Instruments- General-Purpose Clinical Visual Acuity Charts
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