NEN-EN-ISO 9914
Optics and optical instruments - Contact lenses - Determination of refractive index of contact lens materials
inactive, Most Current
| Organization: | NEN |
| Publication Date: | 1 November 1996 |
| Status: | inactive |
| Page Count: | 14 |
| ICS Code (Ophthalmic equipment): | 11.040.70 |
scope:
Gives a reference test method for determining the refractive index of contact lens materials. Alternative methods may be used provided that repeatability and accuracy are at least equal to those specified herein.
Document History
NEN-EN-ISO 9914
November 1, 1996
Optics and optical instruments - Contact lenses - Determination of refractive index of contact lens materials
Gives a reference test method for determining the refractive index of contact lens materials. Alternative methods may be used provided that repeatability and accuracy are at least equal to those...