... ,15mmSpherical degree-20.00~+20.00D(VD=12mm,0.12or0.25D )Cylinder degree0.00~+/-10.00D(0.12 or 0 ... .25D)Axial1~180 °(step 1°)Cylinder Symbol- , + , +/-pupil distance10~85 mmMinimum ... .50DCorneal astigmatism0.00 ~ -15.00D ( 0.05/0.12/0.25D )Corneal diameter2.0 ~ 12.0 mmOthersprinterThermal printerSaving Settings3 , 5 , 10 ...