ISO TR 21958
Ophthalmic optics - Review of the test methods used to assess scratch and abrasion resistance of spectacle lenses
active, Most Current
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| Organization: | ISO |
| Publication Date: | 1 September 2019 |
| Status: | active |
| Page Count: | 24 |
| ICS Code (Ophthalmic equipment): | 11.040.70 |
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.
Document History
ISO TR 21958
September 1, 2019
Ophthalmic optics - Review of the test methods used to assess scratch and abrasion resistance of spectacle lenses
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...