Historical
ANSI Z80.31-2017
Ophthalmics - Ophthalmic Optics - Specifications for Ready-to-Wear Near-Vision Spectacles
This Standard 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.
VC (ASC Z80): Vision Council [vc (asc z80)]