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Table 1 Mean corneal power, mean magnitude of astigmatism and mean value of J0 & J45 in total 69 eyes

From: Comparison of surgically induced astigmatism between anterior and total cornea in 2.2 mm steep meridian incision cataract surgery

Keratometric measurement

Preoperative (Mean diopter ± SD)

Postoperative (Mean diopter ± SD)

* p value

corneal power

astigmatism

corneal power

astigmatism

corneal power

astigmatism

magnitude

J0

J45

magnitude

J0

J45

magnitude

J0

J45

Automated K

43.68 ± 1.51

0.81 ± 0.75

−0.11 ± 0.50

0.04 ± 0.21

43.68 ± 1.50

0.71 ± 0.60

−0.07 ± 0.42

0.03 ± 0.20

0.84

0.008

0.06

0.66

Scheimpflug Anterior K

43.66 ± 1.50

0.89 ± 0.75

−0.15 ± 0.52

0.03 ± 0.22

43.64 ± 1.67

0.70 ± 0.60

−0.07 ± 0.41

0.03 ± 0.19

0.65

<  0.001

0.003

0.96

Scheimpflug Posterior K

−6.39 ± 0.28

0.30 ± 0.73

0.14 ± 0.09

−0.02 ± 0.05

− 6.40 ± 0.23

0.31 ± 0.18

0.14 ± 0.09

−0.03 ± 0.06

0.43

0.27

0.53

0.30

Scheimpflug EKR 3.0-mm

43.47 ± 1.49

0.81 ± 0.70

−0.01 ± 0.49

0.00 ± 0.24

43.45 ± 1.46

0.73 ± 0.54

0.07 ± 0.40

−0.01 ± 0.21

0.87

0.14

0.025

0.61

Scheimpflug EKR 4.5-mm

43.68 ± 1.46

0.81 ± 0.60

−0.03 ± 0.46

0.01 ± 0.22

43.71 ± 1.49

0.69 ± 0.55

0.03 ± 0.39

0.00 ± 0.20

0.28

0.005

0.023

0.61

Scheimpflug TCRP 2.0-mm ring

42.90 ± 1.63

0.94 ± 0.79

−0.02 ± 0.55

0.00 ± 0.29

42.90 ± 1.64

0.83 ± 0.61

0.10 ± 0.46

0.00 ± 0.22

0.35

0.10

0.003

0.78

Scheimpflug TCRP 3.0-mm zone

42.93 ± 1.62

0.90 ± 0.71

−0.01 ± 0.52

0.01 ± 0.26

42.93 ± 1.63

0.80 ± 0.59

0.09 ± 0.44

0.00 ± 0.21

0.45

0.10

0.002

0.82

Scheimpflug TCRP 4.0-mm zone

43.03 ± 1.60

0.86 ± 0.64

−0.03 ± 0.49

0.00 ± 0.23

43.04 ± 1.63

0.71 ± 0.59

0.06 ± 0.42

0.00 ± 0.19

0.31

<  0.001

0.002

0.85

  1. SD standard deviation
  2. * p-value by paired t-test