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1.499 BIFOCAL LENSES
SPH ADD (+)
1.00 1.25 1.50 1.75 2.00 2.25 2.50 2.75 3.00
0.00                  
+0.25                  
+0.50                  
+0.75                  
+1.00                  
+1.25                  
+1.50                  
+1.75                  
+2.00       70mm      
+2.25                  
+2.50                  
+2.75                  
+3.00                  
-0.25                  
-0.50                  
-0.75                  
-1.00                  
-1.25                  
-1.50                  
-1.75                  
-2.00                  
-2.25                  
-2.50                  
-2.75                  
-3.00                  
                   

 

Article Diameter Additions Base
Blank Segment
ROUND TOP 70mm 24/28mm +1.00 to +3.00 in 0.25D 6B
BLENDED TOP 70mm 24/28mm +1.00 to +3.00 in 0.25D 6B
FLAT TOP 70mm 28mm +1.00 to +3.00 in 0.25D 6B
CURVE TOP 70mm 28mm +1.00 to +3.00 in 0.25D 6B
ULTEX TOP 70mm 46mm +1.00 to +3.00 in 0.25D 6B

 

1.499 BIFOCAL LENSES TECHNICAL DATA
POWER BACK CURVE FRONT CURVE F.TOP, B.TOP, R.TOP, CURVE TOP ULTEX TOP
0.00 6.00   2.3 2.05
0.25 5.75   1.9 2.05
0.50 5.50   1.9 2.05
0.75 5.25   1.9 2.05
1.00 5.00   1.9 2.05
1.25 4.75   1.3 1.5
1.50 4.50   1.3 1.5
1.75 4.25   1.3 1.5
2.00 4.00 A+1.00 1.3 1.5
2.25 3.75 | 1.3 1.5
2.50 3.50 A+3.50 1.3 1.5
2.75 3.25   1.3 1.5
3.00 3.00   1.3 1.5
-0.25 6.25   2.3
-0.50 6.50   2.8
-0.75 6.75   3.2
-1.00 7.00   3.5
-1.25 7.25   3.8
-1.50 7.50   4.2
-1.75 7.75   4.4
-2.00 8.00   4.9
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