Table 1 Preoperative measured (or calculated) corneal astigmatism measurements (D) by each modality

2.25 ± 1.04 (1.00–4.54)

1.39 ± 0.56 (1.00–2.19)

2.26 ± 1.02 (1.10–4.30)

1.44 ± 0.32 (1.10–2.10)

1.43 ± 0.92 (0.50–3.57)

1.78 ± 0.80 (0.50–2.50)

1.37 ± 0.91 (0.50–3.02)

1.98 ± 0.30 (1.50–2.50)

1.59 ± 0.84 (0.50–3.49)

1.96 ± 0.54 (1.16–3.04)

1.52 ± 0.76 (0.55–3.27)

1.74 ± 0.38 (1.19–2.39)

2.06 ± 1.12 (0.50–4.10)

1.88 ± 0.40 (1.00–2.50)

1.99 ± 0.98 (0.60–4.20)

1.44 ± 0.50 (0.30–2.10)

2.11 ± 1.07 (0.60–4.50)

1.54 ± 0.53 (0.30–2.20)

1.71 ± 0.93 (0.53–3.32)

1.49 ± 0.33 (0.92–2.09)