Table 1. Within-eye Point-repeatability and Region-repeatability of 10 Eyes That Underwent Artemis VHF Digital Ultrasound 1 Year After LASIK.

	Epithelium	Stroma	Cornea	Flap	Residual Stromal Bed
Within-eye Point-repeatability – Corneal Vertex
Within-eye point-repeatability (μm)	0.58 [0.18, 0.99]	1.78 [0.40, 2.63]	1.68 [0.85, 2.32]	1.68 [0.85, 2.74]	2.27 [1.09, 4.28]
Coefficient of repeatability (μm)	1.14	3.50	3.29	3.29	4.46
Coefficient of variation (%)	0.97	0.43	0.35	1.39	0.64
Intraclass correlation coefficient	0.973	0.999	0.999	0.969	0.998
Within-eye Point-repeatability – Minimum Thickness
Minimum thickness repeatability (μm)			1.36 [0.67, 1.68]		2.76 [0.49, 6.08]
Within-eye Region-repeatability (μm)
Within 1-mm radius	1.01 [0.73, 1.35]	3.44 [2.32, 4.54]	3.35 [2.03, 4.33]	2.81 [2.01, 3.66]	3.97 [2.66, 5.30]
Within 2-mm radius	0.94 [0.70, 1.27]	4.92 [3.27, 6.46]	4.84 [3.00, 6.59]	2.79 [2.12, 3.50]	5.18 [3.50, 7.11]
Within 3-mm radius	1.04 [0.75, 1.32]	6.49 [4.25, 8.54]	6.02 [3.85, 7.86]	4.35 [2.94, 7.25]	7.58 [5.04, 10.87]

Note. The range for the study population is reported in brackets.