Printable Version
| Diopters to Radius Conversion Chart |
| 39.00 |
8.65mm |
| 39.25 |
8.60mm |
| 39.50 |
8.54mm |
| 39.75 |
8.49mm |
| 40.00 |
8.44mm |
| 40.25 |
8.39mm |
| 40.50 |
8.33mm |
| 40.75 |
8.28mm |
| 41.00 |
8.23mm |
| 41.25 |
8.18mm |
| 41.50 |
8.13mm |
| 41.75 |
8.08mm |
| 42.00 |
8.04mm |
| 42.25 |
7.99mm |
| 42.50 |
7.94mm |
| 42.75 |
7.89mm |
| 43.00 |
7.85mm |
| 43.25 |
7.80mm |
| 43.50 |
7.76mm |
| 43.75 |
7.71mm |
| 44.00 |
7.67mm |
| 44.25 |
7.63mm |
| 44.50 |
7.58mm |
| 44.75 |
7.54mm |
| 45.00 |
7.50mm |
| 45.25 |
7.46mm |
| 45.50 |
7.42mm |
| 45.75 |
7.38mm |
| 46.00 |
7.34mm |
| 46.25 |
7.30mm |
| 46.50 |
7.26mm |
| 46.75 |
7.22mm |
| 47.00 |
7.18mm |
| 47.25 |
7.14mm |
| 47.50 |
7.11mm |
| 47.75 |
7.07mm |
| 48.00 |
7.03mm |
| 48.25 |
6.99mm |
| 48.50 |
6.96mm |
| 48.75 |
6.92mm |
| 49.00 |
6.89mm |
| 49.25 |
6.85mm |
| 49.50 |
6.82mm |
| 49.75 |
6.78mm |
| 50.00 |
6.75mm |
| Vertex Conversion Chart |
| -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 |
| -12.37 |
14.50 |
17.50 |
| -12.75 |
15.00 |
18.25 |
| -13.00 |
15.50 |
19.00 |
| -13.50 |
16.00 |
19.75 |
| -13.75 |
16.50 |
20.50 |
| -14.12 |
17.00 |
21.50 |
| -14.50 |
17.50 |
22.25 |
| -14.75 |
18.00 |
23.00 |
