Table 2 Astigmatic outcomes reported in studies identified in the systematic review

De Silva (2006) [7]

76.1 ± 11.4

3.4 mm temporal corneal incision

2.58 ± 3.14

−0.13 ± 1.00

0.82 ± 3.28

−1.07 ± 0.82

3.52 ± 1.11

1.23 ± 0.90

3.08 ± 0.76

2.90 ± 1.52

Entabi (2011) [8]

80.6 ± 8.9

3.2 mm steep meridian corneal incision

1.55 ± 2.42

0.13 ± 0.72

−0.13 ± 2.31

−0.26 ± 0.62

3.35 ± 1.20

0.95 ± 0.66

2.94 ± 0.89

2.42 ± 1.38

Kersey (2007) [9]

62

2.7 mm clear corneal temporal incision

–

–

–

−0.36

7.36

–

10.12 ± 5.60

2.27 ± 1.14

Kim (2010) [10]

55.8 ± 16.2

2.2 mm temporal clear corneal incision

−1.88 ± 3.58

–

19.8 ± 2.10

–

1.28 ± 0.72

0.28 ± 0.21

Manual keratometer 1.57 ± 0.51 Optical coherence biometry (IOL master) 1.63 ± 0.43 Scheimpflug SimKs (Pentacam) 1.67 ± 0.60

–

Koshy (2010) [11]

71.5

3.0 mm temporal self-sealing incision

–

–

–

–

–

–

Partial coherence interferometry 1.97 ± 0.58 Scheimpflug SimKs (Pentacam) −1.84 ± 0.79

−0.84 ± 0.41

Lane (2009) [12]

69.1 ± 11.9

3.0 mm temporal incision

–

–

–

–

–

–

–

–

Leyland (2001) [13]

77

3.0 mm temporal incision

–

–

–

–

3.2 ± 1.1

0.85 ± 0.66

–

–

Mendicute (2009) [14]

69.3 ± 8.2

2.75 mm temporal corneal incision

0.88 ± 1.80

0.71 ± 1.85

–

–

−1.75 ± 0.71

−0.62 ± 0.46

–

–

Mendicute (2008) [15]

72.1 ± 8.2

2.75 mm temporal corneal incision

1.26 ± 1.85

−0.12 ± 0.44

–

–

−2.34 ± 1.28

−0.72 ± 0.43

–

–

Mingo-Botin (2010) [16]

71.5 ± 11.1

2.8 mm corneal incision (temporal for right eye; nasal for left eye)

−0.40 ± 1.89

0.20 ± 0.33

−0.21 ± 0.12

–

−1.89 ± 0.57

−0.61 ± 0.41

1.73 ± 0.38

1.87 ± 0.66

Ruhswurm (2000) [17]

75 ± 9

3.0–3.2 mm clear corneal self-sealing incision

–

–

–

–

2.68 ± 0.93

0.84 ± 0.63

2.7 ± 0.88

2.3 ± 0.80