Table 3.
Changes in Corneal Aberrations between Preoperative and 4 and 12 Weeks after Cataract Surgery.
| Group 1 (38 eyes) | Group 2 (41 eyes) | Group 3 (38 eyes) | P-value | |
|---|---|---|---|---|
| Total Higher order aberrations | ||||
| Preoperative | 0.54 ± 0.27 | 0.50 ± 0.26 | 0.56 ± 0.25 | 0.538 |
| 4wks | 0.22 ± 0.14* | 0.28 ± 0.20* | 0.28 ± 0.18* | 0.214 |
| 12wks | 0.28 ± 0.15* | 0.31 ± 0.25* | 0.30 ± 0.13* | 0.590 |
| Spherical Aberration | ||||
| Preoperative | 0.29 ± 0.17 | 0.25 ± 0.14 | 0.32 ± 0.19 | 0.180 |
| 4wks | 0.08 ± 0.58* | 0.11 ± 0.08* | 0.12 ± 0.11* | 0.370 |
| 12wks | 0.13 ± 0.08* | 0.12 ± 0.10* | 0.15 ± 0.10* | 0.117 |
| Coma | ||||
| Preoperative | 0.25 ± 0.13 | 0.24 ± 0.16 | 0.27 ± 0.14 | 0.564 |
| 4wks | 0.11 ± 0.08* | 0.14 ± 0.13* | 0.12 ± 0.09* | 0.474 |
| 12wks | 0.12 ± 0.09* | 0.16 ± 0.19* | 0.14 ± 0.08* | 0.281 |
| Trefoil | ||||
| Preoperative | 0.27 ± 0.21 | 0.26 ± 0.18 | 0.25 ± 0.15 | 0.969 |
| 4wks | 0.13 ± 0.10* | 0.17 ± 0.14* | 0.17 ± 0.14* | 0.245 |
| 12wks | 0.18 ± 0.12* | 0.18 ± 0.13* | 0.16 ± 0.10* | 0.774 |
| Secondary astigmatism | ||||
| Preoperative | 0.10 ± 0.08 | 0.08 ± 0.06 | 0.08 ± 0.07 | 0.429 |
| 4wks | 0.04 ± 0.05* | 0.04 ± 0.04* | 0.04 ± 0.04* | 0.889 |
| 12wks | 0.05 ± 0.04* | 0.05 ± 0.05* | 0.04 ± 0.03* | 0.171 |
Data are presented as mean ± standard deviation. P-value indicates the statistical analysis among the three groups. *Indicates a statistically significant result when compared with preoperative value.