2006NF S11-813-4:2006 Ophthalmic optics - Contact lenses - Part 4 : physicochemical properties of contact lens materials.
0000 NF S11-693:2000
0000 NF S11-691:1999
1998NF S11-688-1:1998 Optics and optical instruments - Contact lenses - Part 1 : determination of oxygen pemeability and transmissibility by the FATT method.
1997NF S11-690:1997 Optics and optical instruments. Contact lenses. Determination of refractive index of contact lens materials.
1996NF S11-804:1996 Optics and optical instruments. Contact lenses. Method for determining the extractable substances.