BS 7394-1:1991
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Complete spectacles Specification for ready-to-wear near-vision spectacles
Hardcopy , PDF
English
31-01-1991
15-12-1996
Committees responsible
Foreword
Specification
1 Scope
2 Definitions
3 Optical characteristics
4 Performance characteristics
5 Dimensional characteristics
6 Marking, packaging and instructions for use
Appendices
A Recommendations on the design of ready-to-wear
spectacles
B Recommendations on subjective optical characteristics
C Corrosion test using simulated perspiration solution
D Flammability test
Table
1 Tolerances in the dimensions
Figure
1 Recommended system for visually inspecting a lens for
defects
Specifies tolerances of optical characteristics, physical requirements, marking, packaging and instructions for spectacles of spherical power not exceeding +4D.
| Committee |
CH/172
|
| DevelopmentNote |
Approved under the UK Consumer Protection Act 1987. BS DRAFT 95/560533 DC REFRS TO AMD 2
|
| DocumentType |
Standard
|
| Pages |
12
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| BS 3521-1:1991 | Terms relating to ophthalmic lenses and spectacle frames Glossary of terms relating to ophthalmic lenses |
| BS 7394-2:1994 | Complete spectacles Specification for prescription spectacles |
| BS 3521-2:1991+A1:1996 | Terms relating to ophthalmic lenses and spectacle frames Glossary of terms relating to spectacle frames |
| BS 2738-1:1989 | Spectacle lenses Specification for tolerances on optical properties of mounted spectacle lenses |
| BS 3521-1&2(1962) : AMD 892 | GLOSSARY OF TERMS RELATING TO OPHTHALMIC LENSES AND SPECTACLE FRAMES - GLOSSARY RELATING TO OPHTHALMIC LENSES. GLOSSARY RELATING TO SPECTACLE FRAMES |
| BS 2738-3:1991 | Spectacle lenses Specification for the presentation of prescriptions and prescription orders for ophthalmic lenses |
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