Table 7 Predictability, displayed by preoperative cylinder axis
Predictability of Spherical Equivalent* | ||||||
|---|---|---|---|---|---|---|
undercorrection <1.0 | 1.0 to 0.51 | ±0.5 | 0.51 to 1.0 | overcorrection >1.0 | Total | |
WTR | ||||||
Number | 1 | 9 | 34 | 6 | 0 | 50 |
% | 2 | 18 | 68 | 12 | 0 | 100 |
Oblique | ||||||
Number | 3 | 8 | 38 | 9 | 0 | 58 |
% | 5 | 14 | 66 | 16 | 0 | 100 |
ATR | ||||||
Number | 1 | 6 | 30 | 7 | 1 | 45 |
% | 2 | 13 | 67 | 16 | 2 | 100 |