GB/T 9105-2023Uncut finished spectacle lenses—Photochromic lenses (English PDF)

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting.

This document replaces GB/T 9105-1988 "Photochromic Glass Lens Blank". Compared with GB/T 9105-1988, except for structural adjustments In addition to editorial changes, the main technical changes are as follows.

a) Changed the relevant content of "scope" (see Chapter 1, Chapter 1 of the 1988 edition);

b) Changed the relevant content of "Terms and Definitions" (see Chapter 3, Chapter 2 of the 1988 edition);

c) "Product Classification" is deleted (see Chapter 3 of the 1988 edition);

d) The relevant content of "Technical Requirements" has been changed (see Chapter 4, Chapter 4 of the 1988 edition);

e) The relevant content of "Test Methods" has been changed (see Chapter 5, Chapter 5 of the 1988 edition);

f) "Inspection Rules" are deleted (see Chapter 6 of the 1988 edition);

g) Changed the relevant content of the "logo" (see Chapter 6, Chapter 7 of the 1988 edition);

h) The relevant content of "Packaging, Transportation and Storage" has been changed (see Chapter 7, Chapter 7 of the 1988 edition);

i) Added spectral function for ultraviolet transmittance calculation (see Appendix A);

j) The spectral optical efficiency function of the visible light band is added (see Appendix B).

1 Scope

This document specifies the technical requirements, marking, packaging, transportation and storage requirements for photochromic lenses, and describes the corresponding test methods.

This document is applicable to uncut lenses with photochromic properties and provides test methods and inspection basis for the production of photochromic lenses. This document does not apply to sunglasses.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document.

GB 10810.1 Spectacle lenses Part 1: Single vision and multifocal lenses

GB 10810.2 Spectacle lenses Part 2: Gradient focal length lenses

GB/T 26397 Ophthalmic optical terminology

GB/T 38005 Basic requirements for uncut spectacle lenses

QB/T 2506 Glasses Lenses Optical Resin Lenses

3 Terms and definitions

The terms and definitions defined in GB/T 26397 and the following apply to this document.