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Navigator Precision Standard Resin Scratch Resistant
Progressive Lens (1.498 Standard Index) 80mm Diameter Lens Blank- Distance decentration: 2.5mm Adds in 0.25 diopter steps from 0.75 to 3.50 |
| Nominal Base Curve | Actual Base Curve | Radius mm | 50mm Sag Values | Concave Curve | Edge Thickness |
Center Thickness |
| 2.00 | 1.97 | 269.035 | 1.16 | 3.00 | 16.20 | 14.90 |
| 4.50 | 4.59 | 115.468 | 2.74 | 6.00 | 11.80 | 10.20 |
| 5.75 | 5.84 | 90.753 | 3.51 | 6.00 | 9.80 | 10.00 |
| 7.75 | 7.90 | 67.089 | 4.83 | 6.00 | 9.60 | 13.80 |