DS DS/EN ISO 9914
DS DSEN SO 9914 1997-JAN-15 Optcs and optcal nstruments - Contact lenses - Determnaton of refractve ndex of contact lens materals Replaced by DS DSEN SO 18369-4
DS DSEN SO 9914 1997-JAN-15 Optcs and optcal nstruments - Contact lenses - Determnaton of refractve ndex of contact lens materals Replaced by DS DSEN SO 18369-4
This International Standard specifies a method for determining the refractive index of contact lens materials.