PE II™ Standard Resin Scratch Resistant Progressive Lens (1.498 Standard Index) 80mm Diameter Lens Blank- Distance decentration: 2.5mm Adds in 0.25 diopter steps from 0.75 to 3.50

Nominal Curve	True Curve	Radius mm	SAG at 50	Nominal Concave	Edge Thickness	Center Thickness
2.00	1.96	270.408	1.16	3.00	15.5	15.0
4.50	4.65	113.978	2.78	6.00	11.3	11.4
6.00	5.87	90.290	3.53	6.00	8.5	10.8
8.00	7.90	67.089	4.83	6.00	8.5	14.2