BS 7394-1:1996

Superseded

View Superseded by

Complete spectacles Specification for ready-to-wear near-vision spectacles

Available format(s)

Hardcopy , PDF

Superseded date

26-11-2002

Language(s)

English

Published date

15-12-1996

Publisher

British Standards Institution

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Status	Superseded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	BS EN 14139:2010 BS EN 14139:2002
Supersedes	BS 7394-1:1991

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