Table 3 Correlation coefficients and respective P values between preoperative measurements and postoperative DCVA (4 m/66 cm/40 cm), Strehl ratio and Wollsohn halometer area measurements
Parameters | DCVA 4 m | DCVA 66 cm | DCVA 40 cm | Strehl ratio | Wollsohn halometer area |
|---|---|---|---|---|---|
KFlat (D) | r = − 0.211 r2 = 0.045 P = 0.174 | r = 0.104 r2 = 0.011 P = 0.505 | r = 0.006 r2 = 0.000 P = 0.969 | r = − 0.071 r2 = 0.005 P = 0.669 | r = 0.129 r2 = 0.017 P = 0.416 |
KSteep (D) | r = − 0.110 r2 = 0.012 P = 0.483 | r = 0.183 r2 = 0.033 P = 0.241 | r = − 0.013 r2 = 0.000 P = 0.936 | r = − 0.178 r2 = 0.032 P = 0.278 | r = 0.165 r2 = 0.027 P = 0.298 |
ACD (mm) | r = − 0.329 r2 = 0.108 P = 0.031 | r = − 0.178 r2 = 0.032 P = 0.254 | r = − 0.170 r2 = 0.029 P = 0.275 | r = 0.421 r2 = 0.178 P = 0.008 | r = − 0.269 r2 = 0.072 P = 0.085 |
LT (mm) | r = 0.090 r2 = 0.008 P = 0.567 | r = 0.180 r2 = 0.032 P = 0.248 | r = 0.249 r2 = 0.062 P = 0.108 | r = − 0.217 r2 = 0.047 P = 0.185 | r = 0.280 r2 = 0.078 P = 0.072 |
AL (mm) | r = − 0.051 r2 = 0.003 P = 0.748 | r = 0.000 r2 = 0.000 P = 0.999 | r = − 0.073 r2 = 0.005 P = 0.643 | r = 0.235 r2 = 0.055 P = 0.151 | r = 0.020 r2 = 0.000 P = 0.902 |
Photopic PD (mm) | r = 0.078 r2 = 0.006 P = 0.631 | r = 0.180 r2 = 0.032 P = 0.267 | r = 0.075 r2 = 0.006 P = 0.647 | r = 0.378 r2 = 0.143 P = 0.021 | r = − 0.252 r2 = 0.064 P = 0.121 |
Scotopic PD (mm) | r = 0.071 r2 = 0.005 P = 0.662 | r = 0.115 r2 = 0.013 P = 0.480 | r = − 0.064 r2 = 0.004 P = 0.696 | r = 0.013 r2 = 0.000 P = 0.942 | r = − 0.162 r2 = 0.026 P = 0.326 |
Pupil decentration (mm) | r = − 0.036 r2 = 0.001 P = 0.817 | r = 0.019 r2 = 0.000 P = 0.903 | r = 0.206 r2 = 0.042 P = 0.186 | r = − 0.008 r2 = 0.000 P = 0.962 | r = − 0.040 r2 = 0.002 P = 0.802 |
Q value, 8 mm | r = 0.084 r2 = 0.007 P = 0.591 | r = − 0.058 r2 = 0.003 P = 0.713 | r = 0.218 r2 = 0.048 P = 0.160 | r = 0.250 r2 = 0.062 P = 0.125 | r = − 0.312 r2 = 0.097 P = 0.045 |
HOA (µm) | r = − 0.128 r2 = 0.016 P = 0.414 | r = 0.061 r2 = 0.004 P = 0.699 | r = 0.057 r2 = 0.003 P = 0.718 | r = − 0.010 r2 = 0.000 P = 0.954 | r = 0.509 r2 = 0.259 P < 0.001 |
Coma (µm) | r = − 0.150 r2 = 0.022 P = 0.338 | r = 0.064 r2 = 0.004 P = 0.683 | r = 0.137 r2 = 0.019 P = 0.380 | r = − 0.026 r2 = 0.001 P = 0.876 | r = 0.466 r2 = 0.217 P = 0.002 |
SA (µm) | r = 0.108 r2 = 0.012 P = 0.490 | r = 0.259 r2 = 0.067 P = 0.094 | r = 0.325 r2 = 0.106 P = 0.033 | r = − 0.225 r2 = 0.051 P = 0.169 | r = 0.525 r2 = 0.276 P < 0.001 |