BS 2738-5:1992
Superseded
View Superseded by
Spectacle lenses Specifications for progressive power semi-finished lens blanks
Hardcopy , PDF
English
09-15-1992
01-01-1997
Committees responsible
National foreword
Specification
1. Scope
2. Normative references
3. Definitions
4. Classification
5. General requirements
6. Test methods
7. Marking
8. Identification
9. Reference to this part of ISO 10322
Annex
A. (informative) Reference method for evaluating
progressive addition lens characteristics
Tables
1. Tolerances on surface power
2. Tolerances on addition power
Figures
1. Recommended system for visually inspecting a lens
for defects
A.1 Untitled
Gives tolerances for optical and geometrical properties.
| Committee |
CH/172
|
| DevelopmentNote |
BS DRAFT 93/508651 DC REFERS TO NEW REVISION
|
| DocumentType |
Standard
|
| Pages |
12
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| ISO 10322-2:2016 | Identical |
| ISO 10322-2:1991 | Identical |
| 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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