Table 5. The HOAs with iTrace analyzer of two groups.

Different HOAs	Group tri839	Group TFNT	P
Preoperative
HOAs	0.290±0.114	0.303±0.121	0.729
Coma	0.170±0.100	0.160±0.119	0.470
Spherical	0.103±0.086	0.330±0.109	0.473
Secondary astigmatism	0.120±0.100	0.084±0.065	0.232
Trefoil	0.188±0.108	0.171±0.110	0.478
1wk postoperatively
HOAs	0.256±0.294	0.216±0.182	0.665
Coma	0.060±0.072	0.079±0.058	0.388
Spherical	0.003±0.037	0.018±0.054	0.419
Secondary astigmatism	0.033±0.028	0.039±0.034	0.607
Trefoil	0.181±0.234	0.135±0.123	0.452
1mo postoperatively
HOAs	0.134±0.094	0.195±0.364	0.587
Coma	0.070±0.063	0.062±0.062	0.703
Spherical	0.007±0.033	-0.002±0.028	0.407
Secondary astigmatism	0.030±0.016	0.038±0.034	0.428
Trefoil	0.082±0.058	0.113±0.224	0.618
3mo postoperatively
HOAs	0.135±0.060	0.152±0.102	0.482
Coma	0.067±0.036	0.051±0.053	0.373
Spherical	0.013±0.014	0.005±0.030	0.402
Secondary astigmatism	0.025±0.011	0.039±0.025	0.334
Trefoil	0.081±0.068	0.077±0.068	0.703

HOA: Higher order aberration.

mean±SD