GB 27995.2-2011 Replaced National standards force_standard

GB 27995.2-2011 Semi-finished spectacle lens blanks—Part 2:Specifications for progressive power lens blanks

GB 27995.2-2011 Semi-finished spectacle lens blanks—Part 2:Specifications for progressive power lens blanks

Publish Date: 2011-12-30 Implement Date: 2012-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB 27995.2-2011

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: 12 pages

Scope

This part of GB 27995 specifies the requirements for the optical and geometric performance of semi-finished progressive lens blanks.
This part is applicable to semi-finished progressive lens blanks.

Development Information

Word Count: 15 Thousand words Pages: 12 pages

Same series standard

GB 27995.1-2011 Semi-finished spectacle lens blanks—Part 1:Specifications for single-vision and multifocal lens blanks

Superseded by the following standards

GB/T 27995.2-2025 Semi-finished spectacle lens blanks—Part 2:Power-variation

Referenced Standards

ISO 13666 GB/T 17341-1998 Optics and optical instruments—Focimeters

Adopt standards

ISO 10322-2:2006

Related Standards

GB 11533-1989 Replaced

GB 11533-1989 Standard logarithmic visual acuity charts

Publish Date: 1989-03-27

GB/T 14148-1993 Replaced

GB/T 14148-1993 Glass blank of ophthalmic lenses

Publish Date: 1993-02-15

GB/T 14214-1993 Replaced

GB/T 14214-1993 Spectacle frames

Publish Date: 1993-03-01

GB 10810-1996 Replaced

GB 10810-1996 Spectacles lenses

Publish Date: 1996-12-17

GB 17342-1998 Replaced

GB 17342-1998 Ophthalmic instrument—Trial case lenses

Publish Date: 1998-05-05

GB 13511-1999 Replaced

GB 13511-1999 Assembled spectacles

Publish Date: 1999-08-12