Parametersa | 3 months (Mean ± SD) | 6 months (Mean ± SD) | Last visit (Mean ± SD) | p value* | |
---|---|---|---|---|---|
3–6 months | 6–over 12 months | ||||
TCT (μm) | |||||
6.0 OZ | 452.81 ± 51.03 | 454.69 ± 52.18 | 460.06 ± 49.71 | 0.851 | < 0.001† |
6.5 OZ | 474.04 ± 36.91 | 476.78 ± 35.67 | 480.75 ± 35.49 | 0.057 | < 0.001† |
p value | 0.035 | 0.030 | 0.035 | ||
ΔTCT/CD (μm/D) | |||||
6.0 OZ | 12.76 ± 5.13 | 12.38 ± 5.63 | 11.62 ± 5.98 | 0.061 | 0.001† |
6.5 OZ | 15.02 ± 3.89 | 14.61 ± 4.07 | 13.80 ± 4.12 | 0.058 | < 0.001† |
p value | 0.018 | 0.043 | 0.024 | ||
Sim K (D) | 0.118** | ||||
6.0 OZ | 38.73 ± 2.58 | 38.94 ± 2.31 | 39.24 ± 2.26 | ||
6.5 OZ | 39.01 ± 2.29 | 39.00 ± 2.27 | 39.03 ± 2.17 | ||
p value | 0.594 | 0.907 | 0.667 | ||
SE of MR (D) | |||||
6.0 OZ | −0.61 ± 0.57 | −0.52 ± 0.62 | − 0.66 ± 0.50 | 0.968 | 0.072 |
6.5 OZ | − 0.47 ± 0.45 | −0.55 ± 0.57 | −0.54 ± 0.42 | 0.474 | 0.660 |
p value | 0.181 | 0.740 | 0.216 | ||
Sph (D) | |||||
6.0 OZ | −0.33 ± 0.50 | −0.20 ± 0.52 | −0.33 ± 0.47 | 0.247 | 0.202 |
6.5 OZ | −0.20 ± 0.50 | −0.28 ± 0.63 | −0.15 ± 0.63 | 0.309 | 0.443 |
p value | 0.252 | 0.630 | 0.220 | ||
Cyl (D) | |||||
6.0 OZ | −0.50 ± 0.29 | −0.53 ± 0.27 | −0.49 ± 0.25 | 0.475 | 0.156 |
6.5 OZ | −0.55 ± 0.38 | −0.47 ± 0.42 | −0.58 ± 0.43 | 0.186 | 0.098 |
p value | 0.788 | 0.173 | 0.191 | ||
RMS of HOAs (μm) | |||||
6.0 OZ | 0.72 ± 0.22 | 0.71 ± 0.22 | 0.68 ± 0.19 | 0.962 | 0.043 |
6.5 OZ | 0.53 ± 0.21 | 0.55 ± 0.23 | 0.56 ± 0.20 | 0.400 | 0.236 |
p value | < 0.001 | 0.001 | 0.005 | ||
SA (μm) | |||||
6.0 OZ | 0.58 ± 0.20 | 0.58 ± 0.21 | 0.57 ± 0.17 | 0.132 | 0.663 |
6.5 OZ | 0.34 ± 0.15 | 0.36 ± 0.14 | 0.37 ± 0.13 | 0.667 | 0.137 |
p value | < 0.001 | < 0.001 | < 0.001 | ||
Q value | |||||
6.0 OZ | −0.55 ± 0.43 | −0.56 ± 0.36 | −0.54 ± 0.33 | 0.590 | 0.079 |
6.5 OZ | −0.16 ± 0.32 | −0.20 ± 0.32 | −0.24 ± 0.33 | 0.496 | 0.148 |
p value | < 0.001 | < 0.001 | < 0.001 | ||
UDVA (logMAR) | |||||
6.0 OZ | −0.17 ± 0.08 | −0.17 ± 0.09 | −0.16 ± 0.10 | 10.000 | 0.403 |
6.5 OZ | −0.17 ± 0.10 | −0.18 ± 0.09 | −0.17 ± 0.09 | 0.637 | 0.763 |
p value | 0.673 | 0.739 | 0.538 |