Specification of Semi-Finished Progressive Lenses

Semi-Finished Progressive Lens        

Index = 1.499     17mm corridor


Description Ring 40mm Diameter(mm) Rear Curve C.T. E.T.
2.00B 1.025 75.0 -6.00 8.5 13.0
3.00B 1.234 75.0 -5.27 6.7 9.5
4.00B 1.637 75.0 -4.34 11.0 11.0
5.00B 2.050 75.0 -4.34 8.3 9.0
6.00B 2.428 75.0 -6.00 9.0 9.0
8.00B 3.280 75.0 -6.00 9.5 7.0

Add +1.00 - +3.00
 

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