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Table 1 Overview of astigmatism magnitude

From: Comparison of keratometric measurements between color light-emitting diode topography and Scheimpflug camera

Device Anterior Surface Posterior Surface Total Cornea
Median [IQR] (Range) (D) Median [IQR] (Range) (D) Median [IQR] (Range) (D)
Cassini 0.90 [0.58–1.30] (0.09–3.32) 0.33 [0.22–0.47] (0.04–0.89) 0.72 [0.40–1.20] (0.04–3.02)
Pentacam HR 0.70 [0.40–1.30] (0.10–3.50) 0.30 [0.15–0.40] (0.00–0.80) 0.60 [0.34–1.18] (0.10–3.20)
  1. D diopters, IQR interquartile range, N number of cases