2009GOST R 53433-2009 Optics ophthalmic.Lenses contact. Methods of measurement
2003GOST R 52041-2003 Ophthalmic optics. Contact lenses. Test methods for basic characteristics
GOST R 52041-2003 Ophthalmic optics. Contact lenses. Test methods for basic characteristics was changed to GOST R 53433-2009 Optics ophthalmic.Lenses contact. Methods of measurement.