HELLO , I AM A LENS. WHAT CAN I DO FOR YOU?
Semi-finished lens is the raw blank used to produce the most individualized RX lens according to the patient's prescription.
Rx lens have the sharp vision of prescription eyeglasses
HOW IS MY PERFORMANCE?
1.499 S/F Round Top Bifocal Lens |
Material refractive index=1.499 |
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Tooling index=1.530 |
Diameter |
Nominal |
T.C. |
Rad |
Back |
E.T. |
C.T. |
Sag |
Seg |
Seg |
Add |
Rx Range Recommended |
Curve |
Curve |
Inset |
Drop |
Range |
70/38mm |
200 |
1.98 |
267.68 |
5.70 |
16.00 |
12.00 |
1.17 |
0 |
5 |
0.50-4.00 |
-2.00D/-5.00D |
70/38mm |
400 |
3.90 |
135.90 |
5.70 |
9.00 |
7.00 |
2.32 |
0 |
5 |
0.50-4.00 |
-1.00D/-3.00D |
70/38mm |
600 |
6.02 |
88.04 |
5.70 |
9.00 |
9.00 |
3.62 |
0 |
5 |
0.50-4.00 |
+2.00D/-2.00D |
70/38mm |
800 |
8.09 |
65.51 |
5.70 |
7.00 |
10.00 |
4.96 |
0 |
5 |
0.50-4.00 |
+2.00D/+5.00D |
70/38mm |
1000 |
10.08 |
52.58 |
5.70 |
7.00 |
13.00 |
6.32 |
0 |
5 |
0.50-4.00 |
+5.25D/+7.00D |
WHERE AM I FROM?
WHERE AM I GOING? IT'S UP TO YOU.
In life and work, if you can do the little things that others don't like, you will achieve your own big things.