1.60 S/F FLAT TOP BIFOCAL LENS 70/28MM

Diameter	Nominal Curve	T.C	Radius	Back Curve	E.T.	C.T.	SAG	Seg Inset	Seg Drop	Add range	RX Range Recommended
73/28	0.50	0.53	1008.22	6.40	14.00	6.70	0.31	5	5	1.00 to 3.50	-5.25D TO -10.00D
73/28	200	2.03	261.02	6.40	11.00	5.70	1.20	5	5	1.00 to 3.50	-2.00D TO -5.00D
73/28	400	3.92	135.29	6.40	9.00	6.00	2.33	5	5	1.00 to 3.50	-1.00D TO -3.00D
73/28	600	6.04	87.75	5.60	7.00	7.20	3.64	5	5	1.00 to 3.50	+2.00D TO -2.00D
73/28	800	8.04	65.92	5.60	7.00	10.00	4.92	5	5	1.00 to 3.50	+2.00D TO +5.00D

1.67 S/F FLAT TOP BIFOCAL LENS 74MM

Diameter	T.B Front	T.B Back	Radius	SAG Front	SAG Back	Thickness Center	Thickness Edge	Add Range
74	0.99	6.00	535.354	0.58	3.61	8.0	15.5	1.00 to 3.50
74	3.02	6.00	175.497	1.79	3.61	9.5	13.5	1.00 to 3.50
74	5.05	6.00	104.950	3.02	3.61	11.5	12.5	1.00 to 3.50
74	7.06	4.43	75.071	4.29	2.64	12.0	8.0	1.00 to 3.50

CT28 1.6 BIFOCAL LENS 71MM

Diameter	Base	Front Rad	Front SAG
71	0.50	1060.00	0.29
71	2.00	267.11	1.17
71	4.25	124.17	2.54
71	6.25	85.01	3.76
71	7.25	73.29	4.40

CT28 1.67 ASPHERIC BIFOCAL

Diameter	Convex Curve	Actual Curve	Radius	Depth	Back Curve	Thickness Center	Thickness Edge
75	2.5	1.98	267.418	1.31	7.98	5.80	14.50
75	4	3.21	165.215	1.90	6.40	5.00	10.00
75	5.5	4.36	121.434	2.50	4.78	7.00	8.00
75	7	5.69	93.115	3.26	4.78	8.00	7.50