Table 3 Score of subjective symptoms of both groups after trans CXL procedure (mean ± sd, N = 60)

Photophobia

1d

0.50 ± 0.47

0.60 ± 0.49

0.50

-

-

3d

0.18 ± 0.36

0.21 ± 0.38

0.78

-

-

5d

0.13 ± 0.32

0.15 ± 0.34

0.82

-

-

7d

0.08 ± 0.23

0.02 ± 0.10

0.30

22.56

 < 0.001

0.92

0.43

Tearing

1d

0.35 ± 0.46

0.27 ± 0.41

0.55

-

-

3d

0.13 ± 0.32

0.10 ± 0.28

0.65

-

-

5d

0.12 ± 0.31

0.10 ± 0.28

0.80

-

-

7d

0.13 ± 0.32

0.06 ± 0.22

0.51

4.28

0.009

1.37

0.26

Foreign body

1d

1.00 ± 0.37

0.81 ± 0.47

0.24

-

-

sensation

3d

0.63 ± 0.39

0.46 ± 0.42

0.12

-

-

5d

0.33 ± 0.38

0.25 ± 0.32

0.38

-

-

7d

0.27 ± 0.37

0.35 ± 0.37

0.59

35.23

 < 0.001

1.65

0.19

Burning

1d

0.10 ± 0.28

0.14 ± 0.31

0.61

-

-

3d

0.00 ± 0.00

0.06 ± 0.22

0.15

-

-

5d

0.00 ± 0.00

0.04 ± 0.14

0.13

-

-

7d

0.00 ± 0.00

0.00 ± 0.00

0.99

5.39

0.003

1.89

0.14

Sting

1d

0.12 ± 0.31

0.04 ± 0.20

0.33

-

-

3d

0.05 ± 0.20

0.04 ± 0.20

0.85

-

-

5d

0.05 ± 0.20

0.06 ± 0.22

0.89

-

-

7d

0.05 ± 0.20

0.04 ± 0.20

0.99

0.70

0.42

1.01

0.33

Astringent

1d

0.24 ± 0.44

0.16 ± 0.37

0.53

-

-

3d

0.09 ± 0.27

0.10 ± 0.29

0.56

-

-

5d

0.07 ± 0.26

0.08 ± 0.28

0.71

-

-

7d

0.03 ± 0.19

0.04 ± 0.20

0.99

4.42

0.008

0.25

0.86

Difficulty

1d

0.17 ± 0.38

0.21 ± 0.40

0.87

-

-

opening eyes

3d

0.07 ± 0.25

0.08 ± 0.27

0.88

-

-

5d

0.07 ± 0.25

0.08 ± 0.27

0.88

-

-

7d

0.03 ± 0.18

0.04 ± 0.20

0.99

4.33

0.02

0.07

0.94

Edema

1d

0.19 ± 0.39

0.08 ± 0.27

0.17

-

-

3d

0.03 ± 0.19

0.06 ± 0.22

0.65

-

-

5d

0.03 ± 0.19

0.04 ± 0.20

0.92

-

-

7d

0.03 ± 0.19

0.04 ± 0.20

0.98

2.63

0.08

1.27

0.29

Dry eyes

1d

0.70 ± 0.43

0.56 ± 0.43

0.14

-

-

3d

0.55 ± 0.48

0.44 ± 0.45

0.39

-

-

5d

0.53 ± 0.45

0.55 ± 0.43

0.84

-

-

7d

0.47 ± 0.45

0.52 ± 0.44

0.77

1.40

0.26

1.75

0.17