GB 11533-1989
Replaced
GB 27995.1-2011
Replaced
National standards
force_standard
GB 27995.1-2011 Semi-finished spectacle lens blanks—Part 1:Specifications for single-vision and multifocal lens blanks
GB 27995.1-2011 Semi-finished spectacle lens blanks—Part 1:Specifications for single-vision and multifocal lens blanks
Basic Information
Standard Code:
GB 27995.1-2011
Standard Type:
National standards
Standard Status:
Replaced
is_force_gb:
yes
CCS Name:
Other daily necessities
ICS Name:
Ophthalmic equipment
Publish Date:
2011-12-30
Implement Date:
2012-12-01
Pages:
16 pages
Scope
This part of GB 27995 specifies the optical and geometric performance requirements for single-vision and multifocal lens blanks.
This part applies to single-vision and multifocal lens blanks.
Note: The requirements for progressive lens blanks will be provided in GB 27995.2.
Development Information
Same series standard
Superseded by the following standards
Referenced Standards
Adopt standards
ISO 10322-1:2006
Related Standards
GB/T 14148-1993
Replaced
GB/T 14148-1993 Glass blank of ophthalmic lenses
GB/T 14214-1993
Replaced
GB/T 14214-1993 Spectacle frames
GB 10810-1996
Replaced
GB 10810-1996 Spectacles lenses
GB 17342-1998
Replaced
GB 17342-1998 Ophthalmic instrument—Trial case lenses
GB 13511-1999
Replaced