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Table 4 Comparison of ocular biological parameters measured using the new swept-source optical coherence tomography biometer and the partial coherence interferometry biometer in children before and after wearing orthokeratology lens

From: Effect of orthokeratology on precision and agreement assessment of a new swept-source optical coherence tomography biometer

Device PairingsStatusMean ± SDP Value95% LoA
AL (mm)Before0.01 ± 0.030.004−0.04 to 0.06
After0.01 ± 0.020.000−0.02 to 0.05
ACD (mm)Before0.08 ± 0.080.000− 0.07 to 0.24
After0.06 ± 0.100.000−0.13 to 0.25
Km (Φ = 2.5) (D)Before−0.04 ± 0.140.070− 0.32 to 0.24
After0.05 ± 0.240.144−0.42 to 0.52
Km (Φ = 3.0) (D)Before−0.06 ± 0.150.013− 0.36 to 0.25
After0.41 ± 0.330.000−0.24 to 1.05
CD (mm)Before−0.15 ± 0.390.008− 0.92 to 0.61
After−0.25 ± 0.340.000− 0.92 to 0.42
  1. AL= Axial length; ACD= anterior chamber depth; Km= mean keratometry; CD corneal diameter; SD= Standard deviation; LoA= limit of agreement