Relationship among Corneal Biomechanics, Anterior Segment Parameters, and Geometric Corneal Parameters

Table 2

The relationship of CH, CRF, CCT, and CV with IOPgc, IOPcc, anterior segment parameters, and refraction values.

	Age		CH		CRF		CCT		CV
	value	value	value	value	value	value	value	value	value	value
CH	−0.373	<0.001	N/A	N/A	0.752	<0.001	0.529	<0.001	0.635	<0.001
CRF	−0.249	0.015	0.752	<0.001	N/A	N/A	0.638	<0.001	0.579	<0.001
IOPgc	0.137	0.185	−0.202	0.046	0.506	<0.001	0.247	0.014	0.041	0.692
IOPcc	0.279	0.005	−0.620	<0.001	0.066	0.517	−0.040	0.697	−0.255	0.011
CCT	−0.263	0.01	0.529	<0.001	0.638	<0.001	N/A	N/A	0.865	<0.001
CV	−0.349	0.001	0.635	<0.001	0.579	<0.001	0.865	<0.001	N/A	N/A
ACD	−0.454	<0.001	0.180	0.076	0.123	0.227	−0.103	0.311	0.009	0.927
ACV	−0.565	<0.001	0.158	0.121	0.087	0.393	0.024	0.813	0.073	0.475
IOP	−0.14	0.915	0.004	0.966	0.506	<0.001	0.295	0.003	0.182	0.072
Spheric value	0.262	0.008	−0.148	0.147	−0.121	0.237	−0.172	0.091	−0.163	0.110
Cylindrical value	−0.278	0.007	0.119	0.244	0.193	0.056	0.256	0.011	0.250	0.013
SE	0.231	0.025	−0.135	0.186	−0.097	0.341	−0.128	0.204	−0.137	0.174

CH: corneal hysteresis; CRF: corneal resistance factor; IOPgc: intraocular pressure (Goldman correlated); IOPcc: intraocular pressure (cornea compensated); CCT: central corneal thickness; CV: corneal volume; ACD: anterior chamber depth; ACV: anterior chamber volume; SE: spherical equivalent; IOP: intraocular pressure.