Table 1 Correlation of visual outcomes with decentration from CSCLR in eyes with astigmatism higher than 2.5 diopters
Decentration, mm | ||||
|---|---|---|---|---|
< 0.1 (n = 10) | 0.1~0.2 (n = 16) | > 0.2 (n = 22) | P | |
Predictability (n = 48) | ||||
SE within 0.5D | 9 (90%) | 13 (81.3%) | 21 (95.5%) | 0.429 |
SE within 1.0D | 0 | 2 (12.5%) | 1 (4.5%) | |
SE more than 1.0D | 1 (10%) | 1 (6.3%) | 0 | |
Efficacy | ||||
UDVA 20/20 or better | 9 (90%) | 13 (81.3%) | 16 (72.7%) | 0.520 |
20/25 to 20/40 | 1 (10%) | 3 (18.8%) | 6 (27.3%) | |
Worse than 20/40 | 0 | 0 | 0 | |
Efficacy index (Overall = 1.00 ± 0.18) | 0.98 ± 0.18 | 1.00 ± 0.20 | 1.00 ± 0.17 | 0.934 |
Safety | ||||
Improved by at least 1 line | 1 (10%) | 3 (18.3%) | 3 (13.6%) | 0.471 |
No change | 8 (80%) | 13(81.3%) | 15 (68.2%) | |
Worsen by at least 1 line | 1 (10%) | 0 | 4 (18.2%) | |
Safety index (Overall = 0.99 ± 0.11) | 0.97 ± 0.09 | 1.02 ± 0.11 | 0.97 ± 0.12 | 0.406 |
Correction of astigmatism | ||||
Preoperative cylindrical error by MR (D) | −3.23 ± 0.17 | − 3.17 ± 0.70 | −3.09 ± 0.62 | 0.84 |
Postoperative cylindrical error by MR (D) | −0.68 ± 0.21 | − 0.44 ± 0.44 | −0.61 ± 0.42 | 0.261 |
CI | 0.87 ± 0.14 | 0.89 ± 0.14 | 0.88 ± 0.14 | 0.969 |
IOS | 0.21 ± 0.06 | 0.14 ± 0.15 | 0.20 ± 0.13 | 0.329 |
Wavefront and OSI | ||||
△HOA | 0.21 ± 0.15 | 0.18 ± 0.09 | 0.31 ± 0.22 | 0.058 |
△SA | 0.01 ± 0.37 | 0.18 ± 0.13 | 0.24 ± 0.21 | 0.042 |
△Vertical coma | 0.14 ± 0.50 | 0.29 ± 0.46 | 0.23 ± 0.45 | 0.727 |
△Horizontal coma | −0.20 ± 0.36 | −0.22 ± 0.28 | − 0.16 ± 0.39 | 0.843 |
△Coma | −0.06 ± 0.24 | −0.08 ± 0.23 | 0.16 ± 0.30 | 0.013 |
MTF cutoff (cpd) | 33.3 ± 8.13 | 36.6 ± 11.5 | 35.1 ± 10.1 | 0.731 |
OSI | 1.0 ± 0.66 | 0.99 ± 0.70 | 0.91 ± 0.63 | 0.904 |
SR | 0.17 ± 0.03 | 0.19 ± 0.05 | 0.19 ± 0.05 | 0.460 |
OV 100% | 1.10 ± 0.25 | 1.22 ± 0.38 | 1.18 ± 0.34 | 0.695 |
OV 20% | 0.75 ± 0.19 | 0.88 ± 0.29 | 0.84 ± 0.26 | 0.464 |
OV 9% | 0.42 ± 0.11 | 0.49 ± 0.15 | 0.48 ± 0.15 | 0.429 |