Reading Glasses(老花鏡) FOREU | |
Ophthalmic optics — Specifications forready-to-wear spectacles (BS EN 14139) | |
Clause | TestRequirement |
4.2 | General requirements |
-Lens shall fulfil the general requirements of EN ISO14889 | |
-Frame shall fulfil the requirements of EN ISO 12870 (not includingclause 4.2.1 General physiological compatibility) | |
-Glazing of spectacles lenses meet lens retention test per EN ISO12870 | |
- Thespectacle lenses shall be securely held in position so thatmovement or rotation in the frame cannot occur under any conditionof intended use. | |
4.3 | Optical power range |
(Shall have equal nominal spherical powerwithin range from +1.00 to +3.50 Dioptres) | |
4.4 | Optical power tolerances |
(Tolerances to be applied to the valuesdeclared by the manufacturer shall comply with EN ISO8980-1) | |
4.5 | Reference points and prismatic powertolerances |
4.5.1 | Design reference points |
4.5.2 | Prismatic power tolerances |
5 | Marking |
Indications on packaging andwarnings | |
Sample Required: 8 Pairs (Assembled Product) -Not include Nickel Release (EN ISO 12870) | |
Turnaround Time: 13-15 working days (Regularservice) | |
Remarks: | |
1. Designed reference points shall be providedby manufacturer. (Default to box center if no information isprovided. | |
2. *Same lens/ frame - Same materials AND Samesize AND Same color. | |
3. This standard covers those reading glasseswith Nominal spherical power within the range from +1.00 to +3.50dioptres. | |
4. CE mark (at least 5 mm in height ) isrequired under 93/42/EEC Medical Device Directive. |
Sample for reference参考图片:
Sample for reference参考图片: