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BS 2738-9(1999) : 1999

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

OPHTHALMIC OPTICS - UNCUT FINISHED SPECTACLE LENSES - TRANSMITTANCE SPECIFICATIONS AND TEST METHODS

Superseded date

21-12-2004

Superseded by

BS EN ISO 8980-3:2013

Published date

23-11-2012

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1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Requirements
6 Testing
7 Information to be supplied
Annex A (normative) Spectral weighting functions for calculating relative
                    visual attenuation quotients
Annex B (normative) Calculation of solar UV transmittance values
Annex C (informative) Spectral radiation risks
Bibliography

Defines requirements for the transmittance properties of uncut finished spectacle lenses.

Committee
CH/172/3
DevelopmentNote
Supersedes 95/563357 DC (09/2003)
DocumentType
Standard
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

EN ISO 13666:2012 Ophthalmic optics - Spectacle lenses - Vocabulary (ISO 13666:2012)
ISO 8980-1:2017 Ophthalmic optics — Uncut finished spectacle lenses — Part 1: Specifications for single-vision and multifocal lenses
ISO/CIE 10527:1991 CIE standard colorimetric observers
ISO 13666:2012 Ophthalmic optics Spectacle lenses Vocabulary
ISO 14889:2013 Ophthalmic optics — Spectacle lenses — Fundamental requirements for uncut finished lenses
IEC 60085:2007 Electrical insulation - Thermal evaluation and designation
ISO 8980-2:2017 Ophthalmic optics — Uncut finished spectacle lenses — Part 2: Specifications for power-variation lenses
ISO/CIE 10526:1999 CIE standard illuminants for colorimetry

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