1.56 EvoClear™ - Trifocal 7x28 (High Index 1.555) 74mm Diameter Lens Blank Segment Displacement: 4.75mm, 4mm down Adds are in 0.25 diopter steps from 1.00 to 3.00

Nominal Curve	True Curve	Radius (mm)	SAG at 50	Nominal Concave	Edge Thickness	Center Thickness
2.00	1.88	281.915	1.11	3.0	15.3	13.7
4.12	3.97	133.501	2.36	6.0	15.4	12.2
6.12	5.97	88.777	3.59	6.0	13.9	13.6
8.50	8.43	62.871	5.18	6.0	10.3	13.9