Prescription depth (mm) | Plaque size (mm) in diameter | ||||||
---|---|---|---|---|---|---|---|
10 | 12 | 14 | 16 | 18 | 20 | 22 | |
1 | 0.29 | 0.33 | 0.37 | 0.42 | 0.44 | 0.47 | 0.47 |
2 | 0.41 | 0.45 | 0.48 | 0.52 | 0.55 | 0.58 | 0.59 |
3 | 0.57 | 0.60 | 0.63 | 0.66 | 0.68 | 0.70 | 0.71 |
4 | 0.77 | 0.78 | 0.80 | 0.81 | 0.83 | 0.84 | 0.85 |
5 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
6 | 1.27 | 1.25 | 1.23 | 1.22 | 1.20 | 1.18 | 1.18 |
7 | 1.59 | 1.54 | 1.50 | 1.47 | 1.43 | 1.40 | 1.38 |
8 | 1.95 | 1.88 | 1.82 | 1.76 | 1.69 | 1.64 | 1.61 |
9 | 2.37 | 2.27 | 2.18 | 2.10 | 2.00 | 1.92 | 1.87 |
10 | 2.84 | 2.71 | 2.59 | 2.48 | 2.34 | 2.24 | 2.17 |