BS 7394-2:2007
Current
The latest, up-to-date edition.
Complete spectacles Specification for prescription spectacles
Hardcopy , PDF
English
31-08-2007
Foreword
1 Scope
2 Normative references
3 Definitions
4 Lens characteristics
5 Frame characteristics
6 Mechanical characteristics
7 Marking and instructions for use
Annexes
Annex A (informative) Recommendations on mounting, material
and surface quality
Annex B (informative) Classification of lenses
Annex C (normative) Lens retention test
Annex D (normative) Test for enhanced robustness lenses
Annex E (normative) Test for lenses of increased robustness
Bibliography
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