For out-of-range prescriptions: very large astigmatic or prism correction.
Materials: Hard Resin Index 1.498, Mid Index 1.566.
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| Extra Thick Blanks
For out-of-range prescriptions: very large astigmatic or prism correction.
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| Nominal Base | Actual Base * | Radius in mm | 40 mm Sag | Rear Curve * | Edge Thickness | Center Thickness |
| 0.00 | 0.00 | Infinite | 0.000 | 2.32 | 19.5 | 16.8 |
| 2.25 | 2.28 | 232.456 | 0.862 | 4.47 | 17.5 | 15.2 |
| 4.25 | 4.26 | 124.413 | 1.618 | 6.50 | 17.5 | 15.0 |
| 6.25 | 6.11 | 86.743 | 2.337 | 6.50 | 17.2 | 17.3 |
| 8.25 | 8.08 | 65.594 | 3.123 | 6.50 | 17.4 | 20.2 |
| 10.25 | 10.30 | 51.456 | 4.046 | 0.00 | 8.0 | 22.5 |
| Nominal Base | Actual Base * | Radius in mm | 40 mm Sag | Rear Curve * | Edge Thickness | Center Thickness |
| 0.00 | 0.00 | Infinite | 0.000 | 7.50 | 20.0 | 10.9 |
| 2.25 | 2.28 | 239.367 | 0.837 | 4.47 | 18.0 | 16.0 |