Table of Contents

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Classification
6 Requirements
7 Test methods
8 Identification
Annex A (normative) - Spectral data for calculating
        relative visual attenuation quotients for
        incandescent signal lights
Annex B (normative) - Calculation of solar UV
        transmittance values
Annex C (normative) - Cut-on filter for UV filtering
Annex D (informative) - Spectral data for calculating
        relative visual attenuation quotients for LED
        signal lights
Annex E (informative) - Spectral radiation risks
Annex F (informative) - Example of the calculation of luminous
        transmittance, tau[V]
Bibliography

Abstract

Describes requirements for the transmittance properties of uncut finished spectacle lenses and mounted pairs, including attenuation of solar radiation.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Organization for Standardization
Pages
ISBN
Committee	TC 172
Supersedes	ISO/DIS 8980-3 : 60.00 (2013)