Method for measurement of spectacles including a glossary of terms

Available format(s)

Hardcopy , PDF

Superseded date

29-02-1992

Language(s)

English

Published date

30-03-1972

Publisher

British Standards Institution

Defines a system of spectacle measurement. The principal dimensions are based on the datum line but provision has been made for certain additional dimensions derived from other concepts.

Committee	CH/172
DevelopmentNote	OBSOLESCENT - CURRENT FOR EXISTING EQUIPMENT, NOT FOR USE WITH NEW DESIGNS
DocumentType	Standard
Pages	25
PublisherName	British Standards Institution
Status	Superseded
SupersededBy	BS EN ISO 8624:1997

BS 3521-1:1991	Terms relating to ophthalmic lenses and spectacle frames Glossary of terms relating to ophthalmic lenses
BS 3521-2:1991+A1:1996	Terms relating to ophthalmic lenses and spectacle frames Glossary of terms relating to spectacle frames