GOST R ISO 9342-2-2013 Optics and optical instruments. Test lenses for calibration of focimeters. Part 2. Test lenses for focimeters used for measuring contact lenses
ISO 7944:1998 Optics and optical instruments - Reference wavelengths
GOST R ISO 9342-2-2013 history
2013GOST R ISO 9342-2-2013 Optics and optical instruments. Test lenses for calibration of focimeters. Part 2. Test lenses for focimeters used for measuring contact lenses