POST CATARACT - Bifocal Vision
Aspheric Lenticular - Round 22mm CR39Æ Uncoated Lenses
65MM DIAMETER LENS BLANKS
Segment Placement: 2mm down

Nominal Curve	True Curve	Radius mm	SAG at 50	Nominal Concave	Edge Thickness	Center Thickness	Adds in 0.25 Diopter Steps	Adds in 0.50 Diopter Steps
10.00	10.08	52.579	6.32	3.00	7.0	11.0	2.00 to 3.00	3.50 to 6.00
12.00	12.11	43.765	7.84	3.00	7.0	11.5	2.00 to 3.00	3.50 to 6.00
14.00	14.12	37.535	9.54	3.00	7.0	12.0	2.00 to 3.00	3.50 to 6.00
16.00	16.11	32.899	11.51	3.00	7.0	13.0	2.00 to 3.00	3.50 to 6.00
18.00	18.08	29.314	14.01	3.00	7.0	14.0		2.50 to 4.00
20.00	20.03	26.460	17.79	3.00	7.0	15.0		2.50 to 4.00