Table 1 Average (95% confidence interval), followed by range, of biometry measurements as assessed by the LenStar and IOLMaster
Instrument
BiometryLenStarIOLMaster
Pupil size (mm)5.11 (2.77), 2.43–7.26
White-to-white (mm)12.08 (0.86), 11.20 to 12.8012.15 (0.95), 11.06 to 12.91
Corneal curvature (D) flat meridian42.78 (2.83), 38.58 to 46.5442.82 (2.83), 39.20 to 46.77
Corneal curvature (D) steep median43.88 (2.74), 39.87 to 47.3643.93 (2.82), 39.90 to 47.37
Corneal thickness (mm)0.55 (0.04), 0.47 to 0.64
Anterior chamber depth (mm)3.19 (0.93), 2.05 to 4.453.09 (1.02), 2.10 to 5.28
Crystalline lens thickness (mm)4.41 (0.50), 2.49 to 5.56
Axial length (mm)23.25 (2.21), 20.93 to 26.6023.24 (2.19), 20.94 to 26.50
Failed measurement (%)910
  • Failed measurement refers to coherence interferometry measurements; n = 112. A dash indicates that these could not be measured with the instrument.