BS 2738-7(1996) : 1996 AMD 9760
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by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 PROGRESSIVE POWER UNCUT FINISHED LENSES
15-11-1997
23-11-2012
Committees responsible
National foreword
Specification
1 Scope
2 Normative references
3 Definitions
4 Classification
5 Requirements
6 Test methods
7 Marking
8 Identification
9 Reference to this part of ISO 8980
Annexes
A (informative) Material and surface quality
B (informative) Method for evaluating progressive
addition lens characteristics
Tables
1 Tolerances on the power of lenses
2 Tolerances on the direction of cylinder axis
3 Tolerances on the addition power
4 Tolerances on optical centration and prismatic power
Figures
A.1 Recommended system for visually inspecting a lens
for defects
B.1 Measurement of the optical characteristics in the
as-worn position
Details requirements for optical and geometrical properties for uncut finished progressive spectacle lenses. AMD 9760 RENUMBERS THIS STANDARD
| Committee |
CH/78
|
| DevelopmentNote |
Renumbered and superseded by BS EN ISO 8980-2 (03/2004) Supersedes BS 2738-2(1989) (07/2004)
|
| DocumentType |
Standard
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| ISO 8980-2:2017 | Identical |
| BS 2738-1:1998 | Spectacle lenses Specification for tolerances on optical properties of mounted spectacle lenses |
| ISO 8980-1:2017 | Ophthalmic optics — Uncut finished spectacle lenses — Part 1: Specifications for single-vision and multifocal lenses |
| ISO 13666:2012 | Ophthalmic optics Spectacle lenses Vocabulary |
| ISO 7944:1998 | Optics and optical instruments — Reference wavelengths |
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