Table 1 Descriptive statistics of variables in the evaluations before and 3 and 12 months after surgery

• ALL

15.80 ± 2.72

12.00 ± 2.32

13.04 ± 2.55

• LASIK

15.60 ± 3.27

11.01 ± 2.31

12.90 ± 2.64

• PRK

16.01 ± 1.45

13.05 ± 1.13

14.20 ± 2.27

• ALL

21.07 ± 4.35

15.80 ± 3.07

16.30 ± 3.34

• LASIK

21.05 ± 4.59

14.05 ± 2.67

15.80 ± 3.22

• PRK

22.00 ± 4.01

17.09 ± 2.55

17.30 ± 3.47

• ALL

15.89 ± 3.07

13.07 ± 2.52

13.06 ± 2.40

• LASIK

16.40 ± 2.93

12.48 ± 2.20

12.87 ± 2.77

• PRK

15.02 ± 3.26

14.08 ± 2.83

13.38 ± 1.65

• ALL

15.49 ± 2.98

8.95 ± 2.79

9.62 ± 2.73

• LASIK

15.81 ± 2.77

8.24 ± 2.57

9.62 ± 3.00

• PRK

14.93 ± 3.37

10.17 ± 2.87

9.61 ± 2.32

• ALL

− 4.98 ± 2.28

0.00 ± 0.30

0.02 ± 0.22

• LASIK

−5.83 ± 2.21

0.05 ± 0.33

0.03 ± 0.25

• PRK

−3.52 ± 1.33

0.05 ± 0.23

0.03 ± 0.15

• ALL

43.70 ± 1.13

39.80 ± 1.96

39.90 ± 2.00

• LASIK

43.70 ± 1.16

39.30 ± 2.06

39.40 ± 2.04

• PRK

43.60 ± 1.11

40.60 ± 1.53

40.08 ± 1.62

• ALL

543 ± 27.08

457 ± 35.90

469 ± 41.30

• LASIK

554 ± 22.30

460 ± 40.70

466 ± 42.40

• PRK

524 ± 26.40

452 ± 26.60

473 ± 41.10

• ALL

10.53 ± 1.28

7.88 ± 1.16

8.07 ± 1.03

• LASIK

10.44 ± 1.12

7.85 ± 1.10

8.04 ± 1.05

• PRK

10.67 ± 1.56

7.92 ± 1.32

8.11 ± 1.05

• ALL

9.88 ± 1.12

6.29 ± 1.40

6.59 ± 1.25

• LASIK

9.97 ± 1.09

6.05 ± 1.37

6.54 ± 1.20

• PRK

9.72 ± 1.21

6.70 ± 1.43

6.68 ± 1.39

• ALL

12.90 ± 4.73

• LASIK

14.40 ± 4.94

• PRK

10.30 ± 2.99

Max.Abl

• ALL

70.50 ± 26.80

• LASIK

79.90 ± 27.50

• PRK

54.10 ± 16.40