Specification of Semi-Finished Progressive Lenses

Semi-Finished Progressive Lens        

Index = 1.499     14mm corridor


Description Ring 40mm Diameter(mm) Rear Curve C.T. E.T.
2.00B 1.025 75.0 -6.00 8.5 13.0
4.00B 1.637 75.0 -4.34 11.0 11.0
6.00B 2.428 75.0 -6.00 9.0 9.0

Add +1.00 - +3.00
 

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11018 Country Club Road, New Market, MD 21774
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