Table 3 Preoperative, three-month postoperative, and magnitude of surgically-induced corneal HOAs
Parameter (Mean RMS value ± SD, μm) | WFO | Manifest TG | TMR | P-value | Post hoc (P-value) |
|---|---|---|---|---|---|
Preoperative HOAs | |||||
Total HOAs | 0.41 ± 0.16 | 0.46 ± 0.20 | 0.44 ± 0.14 | .201 | |
Coma | 0.19 ± 0.09 | 0.22 ± 0.13 | 0.20 ± 0.11 | .372 | |
Trefoil | 0.15 ± 0.09 | 0.15 ± 0.10 | 0.14 ± 0.08 | .791 | |
Spherical aberration | 0.15 ± 0.06 | 0.13 ± 0.06 | 0.14 ± 0.06 | .158 | |
Three months postoperative HOAs | |||||
Total HOAs | 0.76 ± 0.38 | 0.60 ± 0.30 | 0.55 ± 0.19 | .000* | TMR < WFO (< .001), Manifest TG < WFO (.022) |
Coma | 0.37 ± 0.25 | 0.26 ± 0.18 | 0.24 ± 0.14 | .000* | TMR < WFO (< .001), Manifest TG < WFO (.031) |
Trefoil | 0.16 ± 0.09 | 0.14 ± 0.09 | 0.12 ± 0.10 | .040* | TMR < WFO (.034) |
Spherical aberration | 0.36 ± 0.25 | 0.31 ± 0.22 | 0.23 ± 0.16 | .002* | TMR < WFO (.002) |
Magnitude of surgically-induced HOAs | |||||
Total HOAs | 0.37 ± 0.41 | 0.14 ± 0.41 | 0.12 ± 0.25 | .000* | TMR < WFO (< .001), Manifest TG < WFO (.006) |
Coma | 0.18 ± 0.26 | 0.05 ± 0.23 | 0.04 ± 0.18 | .001* | TMR < WFO (.001), Manifest TG < WFO (.010) |
Trefoil | 0.01 ± 0.10 | − 0.01 ± 0.09 | − 0.02 ± 0.12 | .233 | |
Spherical aberration | 0.21 ± 0.25 | 0.19 ± 0.25 | 0.09 ± 0.17 | .004* | TMR < WFO (.005) |