+0.50 -+1.75 +2.00 - +3.00 +3.25 - +5.00  
  Mean ± SD Mean ± SD Mean ± SD P-value
spherical aberration difference 0.01 ± 0.15 0.16 ± 0.21 0.17 ± 0.26 0.023
Coma difference 0.07 ± 0.18 0.19 ± 0.28 0.42 ± 0.24 <0.001
Trefoil difference 0.01 ± 0.22 0.02 ± 0.11 0.05 ± 0.17 0.757
2nd astigmatism difference 0.20 ± 0.13 0.08 ± 0.09 0.08 ± 0.10 0.001
Quadrafoil difference 0.02 ± 0.05 0.01 ± 0.06 0.03 ± 0.06 0.403
Pentafoil difference 0.00 ± 0.02 0.04 ± 0.03 0.02 ± 00.4 0.001
HOAs difference 0.16 ± 0.24 0.20 ± 0.21 0.44 ± 0.26 0.001
Total aberrations difference 1.48 ± 0.67 1.42 ± 0.62 2.00 ± 1.14 0.077
Table 3: The distribution of the mean difference between preoperative and postoperative aberrations RMS in hyperopic and hyperopic astigmatism in three groups.