Table 4.
Postoperative ocular aberrations, visual quality, rotation, tilt, and decentration in the two study groups.
| AT TORBI IOL | Tecnis toric IOL | p | |
|---|---|---|---|
| Mean ± SD | Mean ± SD | ||
| RMS (μm) | 0.60 ± 0.34 | 0.61 ± 0.33 | 0.96 |
| Tilt vertical (μm) | 0.13 ± 0.32 | 0.03 ± 0.35 | 0.05 |
| Tilt horizontal (μm) | −0.01 ± 0.24 | −0.01 ± 0.31 | 0.93 |
| Strehl | 0.05 ± 0.04 | 0.05 ± 0.04 | 0.74 |
| MTF | 0.26 ± 0.10 | 0.25 ± 0.08 | 0.74 |
| Higher-order terms | |||
| HORMS (μm) | 0.26 ± 0.15 | 0.27 ± 0.18 | 0.74 |
| Coma vertical (μm) | 0.04 ± 0.09 | 0.01 ± 0.09 | 0.04 |
| Coma horizontal (μm) | −0.01 ± 0.07 | −0.006 ± 0.07 | 0.68 |
| SA (μm) | 0.05 ± 0.06 | 0.01 ± 0.04 | <0.001 |
| HO Strehl | 0.11 ± 0.08 | 0.13 ± 0.09 | 0.07 |
| HO MTF | 0.35 ± 0.11 | 0.39 ± 0.12 | 0.04 |
| Rotation SL (deg) | 3.0 ± 2.26 | 3.27 ± 2.37 | 0.55 |
| Vertical tilt (mm) | 0.46 ± 1.38 | −0.29 ± 1.68 | 0.013 |
| Horizontal tilt (mm) | 0.84 ± 1.47 | 0.65 ± 1.64 | 0.48 |
| Ver. decentration (mm) | 0.02 ± 0.21 | −0.06 ± 0.20 | 0.04 |
| Hor. decentration (mm) | 0.07 ± 0.34 | −0.06 ± 0.04 | 0.07 |
RMS = root mean square; HORMS = higher-order root mean square; MTF = modulation transfer function; SA = spherical aberration; P = difference between the two groups using generalized estimating equation; Rotation SL = rotation measured at the slit lamp.