Your basket is empty now

Go to your basket


Axis is a parameter that indicates at what angle light is being refracted on the cylinder. This value is expressed in degrees, and is required to correct astigmatism. Axis value is always a number between 0 and 180 degrees and is abbreviated by AX or AXIS. It is always used in conjunction with the cylinder measurement.

Back to dictionary
VISA Master Card PayPal DHL ups Royal Mail Parcel force