Correlation of myopia onset and progression with corneal biomechanical parameters in children

Table 3 Correlation of corneal biomechanical parameters with general ocular measurement parameters

	SE (D)		IOP (mmHg)		AL (mm)		CCT (μm)		Km
	ρ	P value	ρ	P value	ρ	P value	ρ	P value	ρ	P value
A1V	-0.042	0.3917	0.053	0.2797	-0.003	0.9512	-0.583	< 0.0001	0.103	0.0353
A1L	0.033	0.5010	-0.061	0.2133	-0.077	0.1160	0.483	< 0.0001	-0.089	0.692
A1T	0.024	0.6246	-0.091	0.0631	-0.082	0.0941	0.562	< 0.0001	0.008	0.8705
A1DA	0.038	0.4384	-0.073	0.1362	0.053	0.2797	0.358	0.2367	0.048	0.3276
A2V	0.235	< 0.0001	-0.114	0.0197	0.302	< 0.0001	0.542	< 0.0001	0.043	0.3805
A2L	0.124	0.0112	-0.139	0.0044	-0.094	0.0548	0.382	< 0.0001	-0.117	0.0167
A2T	0.093	0.0575	-0.088	0.0723	-0.110	0.0245	0.421	< 0.0001	0.021	0.6686
A2DA	0.041	0.4031	-0.038	0.4383	0.074	0.1309	0.345	< 0.0001	0.033	0.5010
HCT	0.004	0.9350	-0.008	0.8705	-0.109	0.0258	0.049	0.3176	0.063	0.1986
HCR	0.009	0.8705	-0.039	0.4265	-0.049	0.3176	0.482	< 0.0001	-0.285	< 0.0001
PD	-0.130	0.0078	0.117	0.0167	0.545	< 0.0001	0.381	< 0.0001	-0.394	< 0.0001
DA	-0.119	0.0149	0.193	0.0001	0.038	0.4384	0.295	< 0.0001	0.234	< 0.0001
IR	-0.204	< 0.0001	0.244	< 0.0001	0.025	0.6103	0.421	< 0.0001	0.283	< 0.0001
ARTh	0.062	0.2059	-0.072	0.1417	0.017	0.7289	0.274	< 0.0001	-0.085	0.0826
SP-A1	0.032	0.5141	-0.024	0.6246	-0.059	0.2287	0.362	< 0.0001	0.008	0.8705
CBI	0.039	0.4265	-0.019	0.6985	-0.06	0.2209	0.385	< 0.0001	0.087	0.0756
TBI	0.027	0.5820	-0.020	0.6835	-0.016	0.7443	0.0235	< 0.0001	0.064	0.1916

SE: Spherical equivalent; IOP: Intraocular pressure; AL: Axial length; CCT: Central corneal thickness; A1V: First velocity of applanation; A1L: First applanation length; A1T: First applanation time; A1DA: First applanation deformation amplitude; A2V: Second velocity of applanation; A2L: Second applanation length; A2T: Second applanation time; A2D: Second applanation deformation; HCT: Time from the start until the highest concavity; HCR: Central curvature radius at highest concavity; PD: Peak distance; DA: Deformation amplitude; IR: Integrated radius; ARTh: ambrosia relational thickness-horizontal; SP-A1: First applanation stiffness parameter; CBI: Corvis biomechanical index; TBI: Topographic and biomechanics index.