Table 4 Mean roughness (Ra) and mean roughness depth (Rz) values as determined by white-light interferometry.

From: Usability of abattoir-acquired pig eyes for refractive excimer laser research

Eye-no.

Group A

Group B

Group C1

Group C2

Group D

Ra

Rz

Ra

Rz

Ra

Rz

Ra

Rz

Ra

Rz

1

0.71

4.80

0.75

5.98

1.08

6.74

1.01

7.32

1.32

11.71

2

0.80

5.63

1.08

8.88

1.20

9.64

1.16

9.78

1.31

12.76

3

0.80

6.04

0.94

8.10

1.59

13.39

1.25

11.54

1.99

19.41

4

0.74

5.42

1.12

9.91

0.79

6.19

1.26

11.56

1.36

12.61

5

0.82

6.67

0.69

5.44

1.11

7.05

1.30

12.90

0.83

5.91

Mean

0.77

5.71

0.92

7.66

1.15

8.60

1.20

10.62

1.36*

12.48*

SD

0.05

0.70

0.19

1.90

0.29

3.00

0.12

2.15

0.41

4.79

  1. *Statistically significant difference to Group A with p < 0.05 (Bonferroni-corrected one-way ANOVA).
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