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Navigator Precision 1.56 EvoClear™
Progressive Lens (1.557 High Index) 76mm Diameter Lens Blank Distance decentration: 2.5mm Adds in 0.25 diopter steps from 1.00 to 3.00 |
| Nominal Curve | True Curve | Radius mm | SAG at 50mm | Nominal Concave | Edge Thickness | Center Thickness |
| 0.50 | 0.56 | 3.0 | 15.6 | 12.3 | ||
| 2.00 | 1.92 | 6.0 | 15.8 | 9.9 | ||
| 4.50 | 4.56 | 6.0 | 16.0 | 14.0 | ||
| 5.75 | 5.83 | 6.0 | 13.6 | 13.4 | ||
| 7.75 | 7.89 | 6.0 | 11.3 | 14.8 |