Table 1.
Preoperative measured (or calculated) corneal astigmatism measurements (D) by each modality
| Modality | WTR eyes (n = 24) | ATR eyes (n = 17) |
|---|---|---|
| Mean ± SD (range) | ||
| IOLMaster | 2.25 ± 1.04 (1.00–4.54) | 1.39 ± 0.56 (1.00–2.19) |
| SimK | 2.26 ± 1.02 (1.10–4.30) | 1.44 ± 0.32 (1.10–2.10) |
| Baylor - IOLMaster | 1.43 ± 0.92 (0.50–3.57) | 1.78 ± 0.80 (0.50–2.50) |
| Baylor - SimK | 1.37 ± 0.91 (0.50–3.02) | 1.98 ± 0.30 (1.50–2.50) |
| Barrett - IOLMaster | 1.59 ± 0.84 (0.50–3.49) | 1.96 ± 0.54 (1.16–3.04) |
| Barrett - SimK | 1.52 ± 0.76 (0.55–3.27) | 1.74 ± 0.38 (1.19–2.39) |
| Wavefront | 2.06 ± 1.12 (0.50–4.10) | 1.88 ± 0.40 (1.00–2.50) |
| TNP | 1.99 ± 0.98 (0.60–4.20) | 1.44 ± 0.50 (0.30–2.10) |
| TCP | 2.11 ± 1.07 (0.60–4.50) | 1.54 ± 0.53 (0.30–2.20) |
| Vector | 1.71 ± 0.93 (0.53–3.32) | 1.49 ± 0.33 (0.92–2.09) |
D diopters, WTR with-the-rule, ATR against-the-rule, TNP true net power, TCP total corneal refractive power