ANSI Z80.31-2017 specifies the minimum requirements for complete ready-to-wear near-vision spectacles with positive power available directly to the public without the prescription of a licensed professional.
ANSI Z80.31-2017 History
ANSI Z80.31-2017
$25.00 $50.00
ANSI Z80.31-2012
$20.00 $40.00
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ANSI O5.1.2008
$25.00 $50.00
ANSI C12.1-2008
$147.00 $294.00
ANSI C136.35-2009 (R2014)
$31.00 $63.00
ANSI Z80.17-2008
$25.00 $50.00