ISO/TR 21958:2019

Ophthalmic optics — Review of the test methods used to assess scratch and abrasion resistance of spectacle lenses ISO/TR 21958:2019

Publication date:   Sep 18, 2019

General information

60.60 Standard published   Sep 18, 2019

ISO

ISO/TC 172/SC 7 Ophthalmic optics and instruments

Technical Report

11.040.70   Ophthalmic equipment

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Scope

This document describes the most commonly used test methods considered in standardization work relating to scratch and abrasion resistance of plastic spectacle lenses along with their technical capacities and limitations. It includes the ISO test method for assessment of claims for basic abrasion resistance in ISO 8980-5.
This document is intended to be of benefit to any future interest in ISO standardization on scratch and abrasion resistance of spectacle lenses.

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PUBLISHED
ISO/TR 21958:2019
60.60 Standard published
Sep 18, 2019