BS 2738-5(1996) : 1996 AMD 9761
Withdrawn
View Superseded by
SPECTACLE LENSES - SPECIFICATION FOR PROGRESSIVE POWER SEMI-FINISHED LENS BLANKS
11-23-2012
03-08-2006
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Renumbered and superseded by BS EN ISO 10322-2.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Withdrawn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 |