Ophthalmic optics – Spectacle lenses – Fundamental requirements for uncut finished lenses (ISO 14889:2003)
Abstract
ISO 14889:2013 specifies fundamental requirements for uncut finished spectacle lenses. It is not applicable to protective spectacle lenses.
ISO 14889:2013 takes precedence over the corresponding requirements of other standards, if differences exist.
DIN EN ISO 14889:2014-03 (E)
Ophthalmic optics – Spectacle lenses – Fundamental requirements for uncut finished
lenses (ISO 14889:2013)
Contents Page
Foreword ………………………………………………………………………………………………………………………………………. 3
1 Scope …………………………………………………………………………………………………………………………….. 4
2 Normative references ……………………………………………………………………………………………………… 4
3 Terms and definitions …………………………………………………………………………………………………….. 4
4 Fundamental requirements for spectacle lenses …………………………………………………………….. 4
4.1 Performance ………………………………………………………………………………………………………………….. 4
4.2 Design …………………………………………………………………………………………………………………………… 4
4.3 Materials ………………………………………………………………………………………………………………………… 5
4.4 Mechanical strength ……………………………………………………………………………………………………….. 5
4.5 Transmittance ………………………………………………………………………………………………………………… 5
5 Test methods …………………………………………………………………………………………………………………. 6
5.1 General ………………………………………………………………………………………………………………………….. 6
5.2 Inflammability ………………………………………………………………………………………………………………… 6
5.3 Test for mechanical strength ………………………………………………………………………………………….. 6
6 Identification ………………………………………………………………………………………………………………….. 8
6.1 Identification of the spectacle lens to be stated on the package of each individual
spectacle lens or in an accompanying document ……………………………………………………………. 8
6.2 Information to be made available ……………………………………………………………………………………. 9
Annex ZA (informative) Relationship between this European Standard and the Essential
Requirements of EU Directive 93/42/EEC ………………………………………………………………………. 10