CR39 PROGRESSIVE

 

 

 

Technical Date Finished Progressive Lens

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Power

Concave

Convex

Center Thickness

-0.25

425

450

1.7

-0.50

425

475

1.8

-0.75

425

500

2.0

-1.00

425

525

2.1

0.00

425

425

2.2

+0.25

425

400

2.5

+0.50

425

375

2.6

+0.75

425

350

2.8

+1.00

425

325

3.0

+1.25

425

300

3.6

+1.50

425

275

3.6

+1.75

425

250

4.3

+2.00

425

225

4.6

+2.25

425

200

5.0

+2.50

425

175

5.2

+2.75

425

100

5.3

+3.00

425

175

5.5


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