Research Article

Reliability of a New Swept-Source Optical Coherence Tomography Biometer in Healthy Children, Adults, and Cataract Patients

Table 3

Intraobserver repeatability outcomes for biometric measurements obtained using IOLMaster 700 swept-source optical coherence tomography in cataract patients.

ParameterObserverMean ± SDSwTRTCoV (%)ICC (95% CI)

AL (mm)1st23.6 ± 1.730.020.040.071.000 (1.000 to 1.000)
2nd23.6 ± 1.730.010.020.041.000 (1.000 to 1.000)
CCT (μm)1st534.09 ± 32.642.486.880.460.994 (0.992 to 0.996)
2nd533.69 ± 32.442.617.240.490.994 (0.991 to 0.995)
ACD (mm)1st2.87 ± 0.360.010.020.251.000 (0.999 to 1.000)
2nd2.88 ± 0.360.020.060.730.997 (0.995 to 0.998)
LT (mm)1st4.61 ± 0.370.010.020.131.000 (1.000 to 1.000)
2nd4.61 ± 0.370.010.020.161.000 (0.999 to 1.000)
Km (D)1st44.29 ± 1.570.090.260.210.996 (0.995 to 0.997)
2nd44.28 ± 1.570.100.280.230.996 (0.994 to 0.997)
WTW (mm)1st11.76 ± 0.410.120.331.010.922 (0.895 to 0.944)
2nd11.75 ± 0.430.150.411.250.893 (0.856 to 0.922)

AL = axial length, CCT = central corneal thickness, ACD = anterior chamber depth, LT = lens thickness, K = keratometry, WTW = white to white, SD = standard deviation, Sw = within-subject standard deviation, TRT = test-retest repeatability (2.77 Sw), CoV = within-subject coefficient of variation, and ICC = intraclass correlation coefficient.