Table 4 Vector parameters for full-thickness astigmatic keratotomy (FTAK), small-incision lenticule extraction (SMILE), and the two procedures combined

5.48 ± 1.17

2.27 ± 0.97

5.48 ± 1.17

< 0.001

3.38 ± 1.18

2.22 ± 0.84

5.39 ± 1.20

< 0.001

2.27 ± 0.97

0.34 ± 0.26

0.34 ± 0.26

< 0.001

−2.10 ± 1.02

− 0.04 ± 0.55

−0.09 ± 0.36

< 0.001

2.08 ± 5.47

− 0.67 ± 4.67

−0.12 ± 1.14

< 0.001

0.63 ± 0.17

0.90 ± 0.40

0.98 ± 0.06

< 0.001

0.41 ± 0.17

0.05 ± 0.33

0.06 ± 0.05

< 0.001