Skip to main content

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 Pairings

Status

Mean ± SD

P Value

95% LoA

AL (mm)

Before

0.01 ± 0.03

0.004

−0.04 to 0.06

After

0.01 ± 0.02

0.000

−0.02 to 0.05

ACD (mm)

Before

0.08 ± 0.08

0.000

− 0.07 to 0.24

After

0.06 ± 0.10

0.000

−0.13 to 0.25

Km (Φ = 2.5) (D)

Before

−0.04 ± 0.14

0.070

− 0.32 to 0.24

After

0.05 ± 0.24

0.144

−0.42 to 0.52

Km (Φ = 3.0) (D)

Before

−0.06 ± 0.15

0.013

− 0.36 to 0.25

After

0.41 ± 0.33

0.000

−0.24 to 1.05

CD (mm)

Before

−0.15 ± 0.39

0.008

− 0.92 to 0.61

After

−0.25 ± 0.34

0.000

− 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