semi-finished bifocal lenses
1．499nd S／F Flat Top Bifocal Lenses
MateriaI Refractive Index=I.499 Tooling index=1.530
|
Diameter |
Nominl Curve |
TC |
Rad |
Back Curve |
E T |
C T |
Sag |
Seg lnseI |
Seg Drop |
Add Range |
Rx Range：ecommended |
|
70／ |
50 |
0 50 |
1060 00 |
5 60 |
16.00 |
9.50 |
0.29 |
5 |
5 |
l.00-3.50 |
．5 25D／．10 00D |
|
70／ |
200 |
2.00 |
256.OO |
5.60 |
11.00 |
6.00 |
1.18 |
5 |
5 |
l.00-3.50 |
-2.00D／-5.00D |
|
70／ |
400 |
3.94 |
l34.50 |
5.60 |
9.00 |
7.50 |
2.34 |
5 |
5 |
l.00-3.50 |
-1.00D/-3.00D |
|
70／ |
600 |
6.00 |
88.33 |
5.60 |
9.00 |
8.80 |
3.61 |
5 |
5 |
l.00-3.50 |
+2.00D／-2.00D |
|
70／ |
800 |
8.00 |
66.25 |
5.60 |
7.00 |
9.50 |
4.90 |
5 |
5 |
l.00-3.50 |
+2.00D／+5.00D |
|
70／ |
1000 |
10.00 |
53.00 |
5.60 |
7.00 |
13.00 |
6.27 |
5 |
5 |
l.00-3.50 |
+5.25D／+7.00D |
|
70／ |
l200 |
12.00 |
44.l 7 |
5.60 |
7.00 |
17.00 |
7.73 |
5 |
5 |
l.00-3.50 |
+7.25D／+9.00D |
|
70／ |
1400 |
14.00 |
37.86 |
5.60 |
7.00 |
23.00 |
9.43 |
5 |
5 |
l.00-3.50 |
+9.25D／+12.00D |
1．499nd S／F Round Top Bifocal Lenses
Material Refractive Index=I 499 Tooling index=l.530
|
Diameter |
Nominl Curve |
TC |
Rad |
Back Curve |
E T |
C T |
Sag |
Seg lnseI |
Seg Drop |
Add Range |
Rx Range ：ecommended |
|
70／ |
200 |
2.00 |
256.OO |
5.60 |
11.00 |
6.00 |
1.18 |
5 |
5 |
l.00-3.50 |
-2.00D／-5.00D |
|
70／ |
400 |
3.94 |
l4.50 |
5.60 |
9.00 |
7.50 |
2.34 |
5 |
5 |
l.00-3.50 |
-1.00D/-3.00D |
|
70／ |
600 |
6.00 |
88.33 |
5.60 |
9.00 |
8.80 |
3.61 |
5 |
5 |
l.00-3.50 |
+2.00D／-2.00D |
|
70／ |
800 |
8.00 |
66.25 |
5.60 |
7.00 |
9.50 |
4.90 |
5 |
5 |
l.00-3.50 |
+2.00D／+5.00D |
Material Refractive Index=I 499 Tooling index=l.530
|
Diameter |
Nominl Curve |
TC |
Rad |
Back Curve |
E T |
C T |
Sag |
Seg lnseI |
Seg Drop |
Add Range |
Rx Range ：ecommended |
|
70／ |
200 |
2.00 |
256.OO |
5.60 |
11.00 |
6.00 |
1.18 |
5 |
5 |
l.00-3.50 |
-2.00D／-5.00D |
|
70／ |
400 |
3.94 |
l4.50 |
5.60 |
9.00 |
7.50 |
2.34 |
5 |
5 |
l.00-3.50 |
-1.00D/-3.00D |
|
70／ |
600 |
6.00 |
88.33 |
5.60 |
9.00 |
8.80 |
3.61 |
5 |
5 |
l.00-3.50 |
+2.00D／-2.00D |
|
70／ |
800 |
8.00 |
66.25 |
5.60 |
7.00 |
9.50 |
4.90 |
5 |
5 |
l.00-3.50 |
+2.00D／+5.00D |