1996EN ISO 8599:1996 Optics and Optical Instruments - Contact Lenses - Determination of the Spectral and Luminous Transmittance ISO 8599 : 1994
EN ISO 8599:1996 Optics and Optical Instruments - Contact Lenses - Determination of the Spectral and Luminous Transmittance ISO 8599 : 1994 was changed to EN ISO 18369-3:2006 Ophthalmic optics - Contact lenses - Part 3: Measurement methods (ISO 18369-3:2006).