PolyClear® Single Vision Lens
(Refractive Index 1.586)
Lens Blank Diameter: 78mm
NOMINAL
BC
ACTUAL
BC
RADIUS 50MM
SAG
BACK
CURVE
EDGE
THICK
CENTER
THICK
MATERIAL
INDEX
TOOLING
INDEX

1.50

1.59

333.333

0.94

6.00

14.40

12.60 1.586

1.530

3.21

3.31

160.121

1.96

6.00

13.50

12.60 1.586

1.530

5.00

5.07

104.536

3.03

6.00

10.00

9.40 1.586

1.530

7.50

7.60

69.737

4.64

6.00

10.10

12.80 1.586

1.530