BS 7394-1:1996
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Complete spectacles Specification for ready-to-wear near-vision spectacles
Hardcopy , PDF
English
15-12-1996
26-11-2002
Committees responsible
Foreword
Specification
1 Scope
2 References
3 Definitions
4 Optical characteristics
5 Performance characteristics
6 Dimensional characteristics
7 Marking, packaging and instructions for use
Annexes
A (informative) Recommendations on the design of
ready-to-wear spectacles
B (informative) Recommendations on subjective optical
characteristics
C (normative) Corrosion test using simulated
perspiration solution
D (informative) Ignitability test
E (normative) Lens retention test
Table
1 Tolerances in the dimensions
Figures
1 Recommended system for visually inspecting a lens
for defects
E.1 Test lever
E.2 Location of the test lever on the test specimen
List of references
Describes requirements for complete ready-to-wear spectacles with a pair of near-vision lenses, with equal nominal positive spherical power not in excess of 4 D, intended wholly for correcting, remedying or relieving presbyiopia. Not applicable to prescription spectacles, those used for eye protection, or without optical power for use as non-prescription sun glare protectors or for children aged under 16 years.
| Committee |
CH/172
|
| DevelopmentNote |
DRAFT FOR COMMENT 95/560533 DC SUPERSEDES BS 7394 PART 1 1991
|
| DocumentType |
Standard
|
| Pages |
12
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| BS 5438:1976 | Methods of test for flammability of vertically oriented textile fabrics and fabric assemblies subjected to a small igniting flame |
| BS 2738-1:1989 | Spectacle lenses Specification for tolerances on optical properties of mounted spectacle lenses |
| BS EN ISO 3696:1995 | Water for analytical laboratory use. Specification and test methods |
| BS 3062:1985 | Specification for ophthalmic lens materials |
| BS 3521-2:1991+A1:1996 | Terms relating to ophthalmic lenses and spectacle frames Glossary of terms relating to spectacle frames |
| BS 3521-1:1991 | Terms relating to ophthalmic lenses and spectacle frames Glossary of terms relating to ophthalmic lenses |
| BS 6625-1:1985 | Spectacle frames. Specification for general requirements |
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