AS/NZS ISO 8980.3:2015
Ophthalmic optics - Uncut finished spectacle lenses - Part 3: Transmittance specifications and test methods
Specifies the requirements for the transmittance properties of uncut finished spectacle lenses. Identical to and reproduced from ISO 8980-3:2013.
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AS/NZS ISO 8980.3:2015
COPYRIGHT
PREFACE
CONTENTS
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Classification
6 Requirements
6.1 General
6.2 General transmittance requirements
6.3 Spectral transmittance requirements of spectacle lenses intended for road use anddriving
6.4 Additional transmittance requirements for special types of spectacle lenses
6.5 Resistance to radiation
7 Test methods
7.1 General
7.2 Spectral transmittance
7.3 Luminous transmittance and relative visual attenuation coefficient (quotient)
7.4 Ultraviolet transmittance
7.5 Transmittance properties of photochromic spectacle lenses and photochromicspecimens
7.6 Test methods for polarizing spectacle lenses
7.7 Determination of resistance to radiation
8 Identification
Annex A(normative)Spectral data for calculating relative visual attenuation quotientsfor incandescent signal lights
Annex B(normative)Calculation of solar UV transmittance values
Annex C(normative)Cut-on filter for UV filtering
(informative)Spectral data for calculating relative visual attenuation quotientsfor LED signal lights
Annex E(informative)Spectral radiation risks
E.1 Blue-light hazard
E.2 Infrared risk
E.3 Ultraviolet risk
Annex F(informative)Example of the calculation of luminous transmittance,τV
Bibliography
Table
Table 1 — Symbols for the characteristic luminous transmittances of photochromic lenses
Table 2 — Categories for luminous transmittance and the related permissible transmittance inthe ultraviolet solar spectral range
Table 3 — Irradiance for testing photochromic spectacle lenses
Table A.1 — Relative spectral distribution of radiation emitted by incandescent signal lights,ESignal(λ), weighted by the spectral luminous efficiency function of the average human eye fordaylight vision, V(λ), as specified in ISO 11664-1
Table A.2 — Product, SD65(λ)·V(λ), of the spectral distribution of radiation of CIE standardilluminant D65, SD65(λ), as specified in ISO 11664-2 and the spectral luminous efficiencyfunction of the average human eye for daylight vision, V(λ), as specified in ISO 11664-1
Table B.1 — Spectral functions for the calculation of solar UV transmittance values and bluelighttransmittance
Table C.1 — Spectral characteristics for filtering the UV radiation for the test of resistance toradiation
Table D.1 — Relative spectral distribution of radiation emitted by LED signal lights, Esignal(λ),weighted by the spectral luminous efficiency for daylight vision of the human eye, V(λ) asspecified in ISO 11664-1
Table F.1 — Tabulation of the values needed in the calculation of luminous transmittance, τV
Figure 1 — Principle of an apparatus for the determination of the plane of transmission of thelens from the vertical
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References
Ophthalmic optics - Spectacle lenses - Fundamental requirements for uncut finished lenses
Ophthalmic optics - Spectacle lenses - Vocabulary
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AS/NZS ISO 8980.3:2015
COPYRIGHT
PREFACE
CONTENTS
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Classification
6 Requirements
6.1 General
6.2 General transmittance requirements
6.3 Spectral transmittance requirements of spectacle lenses intended for road use anddriving
6.4 Additional transmittance requirements for special types of spectacle lenses
6.5 Resistance to radiation
7 Test methods
7.1 General
7.2 Spectral transmittance
7.3 Luminous transmittance and relative visual attenuation coefficient (quotient)
7.4 Ultraviolet transmittance
7.5 Transmittance properties of photochromic spectacle lenses and photochromicspecimens
7.6 Test methods for polarizing spectacle lenses
7.7 Determination of resistance to radiation
8 Identification
Annex A(normative)Spectral data for calculating relative visual attenuation quotientsfor incandescent signal lights
Annex B(normative)Calculation of solar UV transmittance values
Annex C(normative)Cut-on filter for UV filtering
(informative)Spectral data for calculating relative visual attenuation quotientsfor LED signal lights
Annex E(informative)Spectral radiation risks
E.1 Blue-light hazard
E.2 Infrared risk
E.3 Ultraviolet risk
Annex F(informative)Example of the calculation of luminous transmittance,τV
Bibliography
Table
Table 1 — Symbols for the characteristic luminous transmittances of photochromic lenses
Table 2 — Categories for luminous transmittance and the related permissible transmittance inthe ultraviolet solar spectral range
Table 3 — Irradiance for testing photochromic spectacle lenses
Table A.1 — Relative spectral distribution of radiation emitted by incandescent signal lights,ESignal(λ), weighted by the spectral luminous efficiency function of the average human eye fordaylight vision, V(λ), as specified in ISO 11664-1
Table A.2 — Product, SD65(λ)·V(λ), of the spectral distribution of radiation of CIE standardilluminant D65, SD65(λ), as specified in ISO 11664-2 and the spectral luminous efficiencyfunction of the average human eye for daylight vision, V(λ), as specified in ISO 11664-1
Table B.1 — Spectral functions for the calculation of solar UV transmittance values and bluelighttransmittance
Table C.1 — Spectral characteristics for filtering the UV radiation for the test of resistance toradiation
Table D.1 — Relative spectral distribution of radiation emitted by LED signal lights, Esignal(λ),weighted by the spectral luminous efficiency for daylight vision of the human eye, V(λ) asspecified in ISO 11664-1
Table F.1 — Tabulation of the values needed in the calculation of luminous transmittance, τV
Figure 1 — Principle of an apparatus for the determination of the plane of transmission of thelens from the vertical
AS/NZS ISO 8980.3:2015
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.