| Customization: | Available |
|---|---|
| Function: | for Presbyopic, for Astigmia, UV Protection, for Myopia |
| Material: | Nk55, Imported From Japan |
|
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Progressive lenses, on the other hand, have many more lens powers than bifocals or trifocals, and there's a gradual change in power from point to point across the surface of the lens.
| MATERIAL REFRACTIVE INDEX = 1.552 TOOLING INDEX = 1.530 | |||||||||||
| Diameter | Nominal Curve | T.C | Rad | Back Curve | E.T | C.T | MRP Dec. | Seg Inset | Sag | ADD Range | RX Range Recommened |
| (50mm) | |||||||||||
| 70mm | 125 | 1.16 | 456.89 | 6 | 11 | 6 | 3 | 3 | 0.68 | 1.00-3.50 | -4.25D/-8.00D |
| 70mm | 325 | 3.2 | 165.63 | 6 | 8.5 | 6 | 3 | 3 | 1.9 | 1.00-3.50 | -4.00D/-0.75D |
| 70mm | 550 | 5.54 | 95.67 | 6 | 8.5 | 6 | 3 | 3 | 3.32 | 1.00-3.50 | -0.50D/+2.25D |
| 70mm | 750 | 7.57 | 70.01 | 6 | 8.5 | 6 | 3 | 3 | 4.61 | 1.00-3.50 | +2.75D/+6.00D |
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