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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Complete spectacles Specification for ready-to-wear near-vision spectacles
Hardcopy , PDF
15-12-1996
English
31-01-1991
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
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