Table 5. Comparison of RMS values of specific high-order aberrations before and after surgery in the SMILE group.

Parameters	Preop.	1mo after surgery	3mo after surgery
Total HOA	0.38±0.12	0.56±0.17a	0.52±0.15a
Coma	0.21±0.14	0.30±0.19a	0.27±0.11a
Trefoil	0.19±0.1	0.18±0.13	0.19±0.13
Spherical aberration	0.11±0.11	0.18±0.19a	0.16±0.15a
3rd order	0.30±0.16	0.33±0.12	0.33±0.10
4th order	0.17±0.09	0.20±0.09	0.19±0.11
5th order	0.11±0.07	0.13±0.08	0.13±0.07

^aCompared with preoperative value, P<0.05.

µm