Effect of biomechanical properties on myopia: a study of new corneal biomechanical parameters

BMC Ophthalmology

Table 4 Comparison of the parameters in low and high myopia

Group	Number	Age (years)	CCT (microns)	bIOP	SP-A1	DAmax (mm)	IR (mm)	ARTh	CBI	SSI
Low myopia	161	23.2 ± 6.12	553 ± 32.9	16 ± 2.07	108.520 ± 15.699	4.272 ± 0.448	7.663 ± 1.071	589.402 ± 114.500	0.214 ± 0.184	0.920 ± 0.138
High myopia	506	24.0 ± 5.56	551 ± 29.3	16 ± 1.98	107.787 ± 14.884	4.360 ± 0.413	7.953 ± 0.991	577.718 ± 106.814	0.224 ± 0.183	0.813 ± 0.129
t		−1.616	0.770	−1.354	0.538	−2.328	−3.509	1.190	−0.609	8.960
p		0.107	0.441	0.176	0.590	0.020	<0.01	0.234	0.543	<0.01

Statistical significance has been defined as p < 0.05
CCT Central corneal thickness, bIOP Biomechanically corrected intraocular pressure, SP-A1 Stiffness parameter, DAmax Maximum deformation amplitude, IR Integrated radius, ARTh Ambrosio relational thickness horizontal, CBI Corvis biomechanical index, SSI Stress-strain index

ISSN: 1471-2415