Conversions
Radius
| Diopters | mm |
|---|
| 36.00 | 9.38 |
| 36.25 | 9.31 |
| 36.50 | 9.25 |
| 36.75 | 9.18 |
| 37.00 | 9.12 |
| 37.25 | 9.06 |
| 37.50 | 9.00 |
| 37.75 | 8.94 |
| 38.00 | 8.88 |
| 38.25 | 8.82 |
| 38.50 | 8.77 |
| 38.75 | 8.71 |
| 39.00 | 8.65 |
| 39.25 | 8.60 |
| 39.50 | 8.54 |
| 39.75 | 8.49 |
| 40.00 | 8.44 |
| 40.25 | 8.39 |
| 40.50 | 8.33 |
| 40.75 | 8.28 |
| 41.00 | 8.23 |
| 41.25 | 8.18 |
| 41.50 | 8.13 |
| 41.75 | 8.08 |
| 42.00 | 8.04 |
| 42.25 | 7.99 |
| 42.50 | 7.94 |
| 42.75 | 7.89 |
| 43.00 | 7.85 |
| 43.25 | 7.80 |
| 43.50 | 7.76 |
| 43.75 | 7.71 |
| 44.00 | 7.67 |
| 44.25 | 7.63 |
| 44.50 | 7.58 |
| 44.75 | 7.54 |
| 45.00 | 7.50 |
| 45.25 | 7.46 |
| 45.50 | 7.42 |
| 45.75 | 7.38 |
| 46.00 | 7.34 |
| 46.25 | 7.30 |
| 46.50 | 7.26 |
| 46.75 | 7.22 |
| 47.00 | 7.18 |
| 47.25 | 7.14 |
| 47.50 | 7.10 |
| 47.75 | 7.07 |
| 48.00 | 7.03 |
| 48.25 | 6.99 |
| 48.50 | 6.96 |
| 48.75 | 6.92 |
| 49.00 | 6.88 |
| 49.25 | 6.85 |
| 49.50 | 6.81 |
| 49.75 | 6.78 |
| 50.00 | 6.74 |
| 50.25 | 6.72 |
| 50.50 | 6.68 |
| 50.75 | 6.65 |
| 51.00 | 6.62 |
| 51.25 | 6.59 |
| 51.50 | 6.55 |
| 51.75 | 6.52 |
| 52.00 | 6.49 |
| 52.25 | 6.46 |
| 52.50 | 6.43 |
| 52.75 | 6.40 |
| 53.00 | 6.37 |
| 53.25 | 6.34 |
| 53.50 | 6.31 |
| 53.75 | 6.28 |
Vertex
| Minus (-) | SRx | Plus (+) |
|---|
| -3.87 | 4.00 | 4.25 |
| -4.00 | 4.25 | 4.50 |
| -4.25 | 4.50 | 4.75 |
| -4.50 | 4.75 | 5.00 |
| -4.75 | 5.00 | 5.25 |
| -5.00 | 5.25 | 5.62 |
| -5.12 | 5.50 | 5.87 |
| -5.37 | 5.75 | 6.12 |
| -5.62 | 6.00 | 6.50 |
| -5.75 | 6.25 | 6.75 |
| -6.00 | 6.50 | 7.00 |
| -6.25 | 6.75 | 7.37 |
| -6.50 | 7.00 | 7.62 |
| -6.62 | 7.25 | 8.00 |
| -6.87 | 7.50 | 8.25 |
| -7.12 | 7.75 | 8.50 |
| -7.25 | 8.00 | 8.87 |
| -7.50 | 8.25 | 9.12 |
| -7.75 | 8.50 | 9.50 |
| -7.87 | 8.75 | 9.75 |
| -8.12 | 9.00 | 10.12 |
| -8.37 | 9.25 | 10.37 |
| -8.50 | 9.50 | 10.75 |
| -8.75 | 9.75 | 11.00 |
| -8.87 | 10.00 | 11.37 |
| -9.37 | 10.50 | 12.00 |
| -9.75 | 11.00 | 12.75 |
| -10.12 | 11.50 | 13.37 |
| -10.50 | 12.00 | 14.00 |
| -10.87 | 12.50 | 14.75 |
| -11.25 | 13.00 | 15.50 |
| -11.62 | 13.50 | 16.12 |
| -12.00 | 14.00 | 16.75 |