Customer Service:
Mon - Fri: 8:30 am - 6 pm EST

 Historical

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.


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


Others Also Bought

Ophthalmics - Prescription Ophthalmic Lenses - Recomendations
Requirements for Ophthalmic Frames
Ophthalmics - Nonprescription Sunglass and Fashion Eyewear Requirements
Document History
Revised By:
Included in Packages
This standard is not included in any packages.
Amendments & Corrections
We have no amendments or corrections for this standard.
ANSI Logo

As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.

CUSTOMER SERVICE
NEW YORK OFFICE
ANSI HEADQUARTERS