EN 14139

Ophthalmic optics – Spectacle lenses – Fundamental requirements for uncut finished lenses (ISO 14889:2003)

DIN EN 14139:2010-11 (E)
Ophthalmic optics – Specifications for ready-to-wear spectacles
Contents Page
Foreword ……………………………………………………………………………………………………………………………………….3
1 Scope ……………………………………………………………………………………………………………………………..4
2 Normative references ……………………………………………………………………………………………………..4
3 Terms and definitions ……………………………………………………………………………………………………..4
4 Performance requirements ……………………………………………………………………………………………..4
4.1 General …………………………………………………………………………………………………………………………..4
4.2 General requirements ……………………………………………………………………………………………………..4
4.3 Optical power range ………………………………………………………………………………………………………..5
4.4 Optical power tolerances ………………………………………………………………………………………………..5
4.5 Reference points and prismatic power tolerances ……………………………………………………………5
4.5.1 Design reference points ………………………………………………………………………………………………….5
4.5.2 Prismatic power tolerances …………………………………………………………………………………………….5
5 Marking on the spectacles, indications on packaging, instruction for use ………………………..5
5.1 Marking …………………………………………………………………………………………………………………………..5
5.2 Indications on packaging and warnings …………………………………………………………………………..5
Annex ZA (informative) Relationship between this European Standard and the Essential
Requirements of EU Directive 93/42/EEC on medical devices …………………………………………..7