NEN-EN-ISO 11539
Ophthalmic optics - Contact lenses - Classification of contact lenses and contact lens materials
inactive, Most Current
| Organization: | NEN |
| Publication Date: | 1 September 1999 |
| Status: | inactive |
| Page Count: | 14 |
| ICS Code (Ophthalmic equipment): | 11.040.70 |
scope:
Specifies a method of classifying contact lenses and the materials used for their manufacture. It permits the specific and non-proprietary identification, in simplified form, of the major chemical components of the material.
Document History
NEN-EN-ISO 11539
September 1, 1999
Ophthalmic optics - Contact lenses - Classification of contact lenses and contact lens materials
Specifies a method of classifying contact lenses and the materials used for their manufacture. It permits the specific and non-proprietary identification, in simplified form, of the major chemical...
October 1, 1997
Ophthalmic optics - Contact lenses - Method for classifying contact lenses and contact lens materials
Specifies a method of classifying contact lenses and the materials used for their manufacture. It permits the specific and non-proprietary identification, in simplified form, of the major chemical...