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BS 2738-6(1996) : 1996 AMD 9762

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

SPECTACLE LENSES - SPECIFICATION FOR SINGLE-VISION AND MULTIFOCAL UNCUT FINISHED LENSES

Superseded date

15-11-1997

Superseded by

BS EN ISO 8980-1:2017

Published date

23-11-2012

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Committees responsible
National foreword
Specification
1 Scope
2 Normative references
3 Definitions
4 Classification
5 Requirements
6 Test methods
7 Identification
8 Reference to this part of ISO 8980
Annex
A (informative) Material and surface quality
Tables
1 Tolerances on the power of lenses
2 Tolerances on the direction of cylinder axis
3 Tolerances on the addition power for multifocal lenses
4 Tolerances on optical centration and prismatic power
Figures
1 Measurement of the addition power
A.1 Recommended system for visually inspecting a lens for
     defects

Gives requirements for optical and geometrical properties for uncut finished single-vision and multifocal spectacle lenses. AMD 9762 RENUMBERS THIS STANDARD

Committee
CH/78
DevelopmentNote
Renumbered and superseded by BS EN ISO 8980-1 (03/2004) Supersedes BS 2738-2(1989) (07/2004)
DocumentType
Standard
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
ISO 8980-1:2017 Identical

BS 2738-1:1998 Spectacle lenses Specification for tolerances on optical properties of mounted spectacle lenses

ISO 13666:2012 Ophthalmic optics Spectacle lenses Vocabulary
ISO 7944:1998 Optics and optical instruments — Reference wavelengths

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