BS 2738-5(1996) : 1996 AMD 9761
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
View Superseded by
SPECTACLE LENSES - SPECIFICATION FOR PROGRESSIVE POWER SEMI-FINISHED LENS BLANKS
08-03-2006
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 ISO10322
Annexes
A (informative) Material and surface quality
B (informative) Method for evaluating progressive
addition lens characteristics
C (informative) Bibliography
Tables
1 Tolerances on the surface power
2 Tolerances on the addition 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 the optical and geometrical properties of semi-finished progressive power spectacle lens blanks. Those for semi-finished single-vision and multi-focal lens blanks are given in ISO 10322-1. BS AMD 9761 RENUMBERS THIS STANDARD
| Committee |
CH/78
|
| DevelopmentNote |
Renumbered and superseded by BS EN ISO 10322-2. Supersedes 93/508651 DC & BS 2738-5(1992). (11/2005)
|
| DocumentType |
Standard
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| ISO 10322-2:2016 | Identical |
| ISO 13666:2012 | Ophthalmic optics Spectacle lenses Vocabulary |
| ISO 7944:1998 | Optics and optical instruments — Reference wavelengths |
| ISO 10322-1:2016 | Ophthalmic optics — Semi-finished spectacle lens blanks — Part 1: Specifications for single-vision and multifocal lens blanks |
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