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. Author manuscript; available in PMC: 2016 Sep 1.
Published in final edited form as: Am J Ophthalmol. 2015 Jun 17;160(3):506–515.e1. doi: 10.1016/j.ajo.2015.06.002

Table 5.

Reproducibility of Anterior Segment Biometric Parameter Measurements in a Random Subset of Eyes

Parameters ICC Mean 1 Mean 2 Difference 95% CI
PD (mm) 0.894 4.29 4.37 −0.08 (−0.19, 0.03)
ACA (mm2) 0.998 20.67 20.71 −0.04 (−0.11, 0.03)
ACV (mm3) 0.995 140.64 141.10 −0.46 (−1.35, 0.42)
ACW (mm) 0.934 11.80 11.82 −0.02 (−0.07, 0.03)
LV (mm) 0.957 432.30 464.23 −31.93 (−58.47, −5.38)
IT750 (mm) 0.796 0.48 0.47 0.01 (−0.01, 0.02)
IAREA (mm2) 0.957 1.61 1.60 0.01 (−0.01, 0.04)
AOD750 (mm) 0.932 0.40 0.39 0.01 (−0.01, 0.04)
TISA750 (mm2) 0.924 0.19 0.19 0.01 (0.00, 0.02)

ICC = intraclass correlation coefficient; CI = confidence interval; PD = pupil diameter; ACA = anterior chamber area; ACV = anterior chamber volume; ACW = anterior chamber width; LV = lens vault; IT750 = iris thickness measured at 750 μm from the scleral spur; IAREA = iris area; AOD750 = angle opening distance at 750 μm from the scleral spur; TISA = trabecular-iris space area at 750 μm from the scleral spur.