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Superseded

Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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

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Superseded date: 21-12-2004

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Published date: 23-11-2012

Publisher: British Standards Institution

Table of Contents - (Show below) - (Hide below)

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

Abstract - (Show below) - (Hide below)

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

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Committee	CH/172/3
Development Note	Supersedes 95/563357 DC (09/2003)
Document Type	Standard
ISBN
Pages
Published
Publisher	British Standards Institution
Status	Superseded
Superseded By	BS EN ISO 8980-3:2013
Supersedes	95/563357 DC : DEC 95

Standards Referencing This Book - (Show below) - (Hide below)

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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