Table 3 Predictability of spherical equivalent displayed by preoperative astigmatic cylinder magnitude
Predictability of Spherical Equivalent* | ||||||
|---|---|---|---|---|---|---|
under correction <1.0 | 1.0 to 0.51 | ±0.50 | 0.51 to 1.0 | over correction >1.0 | Total | |
-0,25 D | ||||||
Number | 0 | 1 | 31 | 5 | 0 | 37 |
% | 0 | 3 | 84 | 14 | 0 | 100 |
-0,50 D | ||||||
Number | 4 | 12 | 52 | 13 | 0 | 81 |
% | 5 | 15 | 64 | 16 | 0 | 100 |
-0,75 D | ||||||
Number | 1 | 10 | 19 | 4 | 1 | 35 |
% | 3 | 29 | 54 | 11 | 3 | 100 |