PostCat BF ALFA

POST CATARACT - Bifocal Vision
ALFA^® Full-Field Flat-Top 22mm CR39^® Uncoated Lenses

60MM DIAMETER LENS BLANKS
Segment Placement: 2mm in, 4mm down

Nominal Curve True Curve Radius mm SAG at 50 Nominal Concave Edge Thickness Center Thickness Adds in 0.25 Diopter Steps

12.00 12.12 43.729 7.85 6.00 6.0 12.0 2.00 to 3.00, 3.50 & 4.00

14.00 14.13 37.509 9.55 6.00 6.0 13.5 2.00 to 3.00, 3.50 & 4.00

16.00 16.13 32.858 11.54 6.00 6.0 15.0 2.00 to 3.00, 3.50 & 4.00

Nominal Curve	True Curve	Radius mm	SAG at 50	Nominal Concave	Edge Thickness	Center Thickness	Adds in 0.25 Diopter Steps
12.00	12.12	43.729	7.85	6.00	6.0	12.0	2.00 to 3.00, 3.50 & 4.00
14.00	14.13	37.509	9.55	6.00	6.0	13.5	2.00 to 3.00, 3.50 & 4.00
16.00	16.13	32.858	11.54	6.00	6.0	15.0	2.00 to 3.00, 3.50 & 4.00