High quality, traditional soft contact lenses, for daily use.
FITTING GUIDE
The application of Sigma Standard lenses is made according to the following guide
BC 8,40mm: K-Readings 7,10mm to 7,60mm
BC 8,70mm: K-Readings 7,60mm to 8,10mm
BC 9,00mm: K-Readings 8,10mm to 8,60mm
* The Sigma Standard RX lens can also be manufactured with a wide range of BC and spherical power more than +/- 20.00D.
