ANSI Z80.31-2012

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ANSI Z80.31-2012 English PDF Ophthalmic Optics - Specifications for Single-Vision Ready-to-Wear Near-Vision Spectacles

standard published 07/25/2012 by American National Standards Institute

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This Standard specifies the minimum requirements for complete single-vision ready-to-wear near-visionspectacles with positive power, without regard to luminous transmittance, available directly to the public without the prescription of a licensed professional.