Research Article

Comparison of Anterior Ocular Biometric Measurements Using Swept-Source and Time-Domain Optical Coherence Tomography

Table 1

Intraobserver repeatability outcomes provided by SS-OCT and TD-OCT devices.

ParameterObserverMean ± SDS wCoRCoV (%)ICC (95% CI)

CCT (μm)SS-OCT535.59 ± 30.310.852.340.160.999 (0.999 to 0.999)
TD-OCT531.04 ± 30.462.226.160.420.995 (0.992 to 0.997)
AQD (mm)SS-OCT3.24 ± 0.270.020.050.610.995 (0.992 to 0.996)
TD-OCT3.23 ± 0.250.030.090.970.985 (0.977 to 0.990)
ACD (mm)SS-OCT3.78 ± 0.260.020.060.530.994 (0.991 to 0.996)
TD-OCT3.76 ± 0.250.030.090.830.984 (0.977 to 0.990)

SD = standard deviation; Sw = within-subject standard deviation; CoR = coefficient of repeatability (2.77 Sw); CoV = within-subject coefficient of variation; ICC = intraclass correlation coefficient; CCT = central corneal thickness; AQD = aqueous depth; ACD = anterior chamber depth.