Table 3.

Describes the mean±standard deviation of corneal biomechanical properties

Variable	Mild- moderate myopia (167)	High myopia (99)	P
First applanation A1
A1 time (ms)	7.395±0.23	7.434±0.22	0.16
A1 velocity (m/s)	0.149±0.02	0.149±0.02	0.88
A1 deformation amplitude	0.126±0.01	0.125±0.01	0.52
A1 deflection length	2.30±0.27	2.29±0.34	0.82
A1 deflection amplitude	0.094±0.01	0.095±0.01	0.46
A1 deflection area	0.167±0.02	0.169±0.02	0.64
A1 delta arc length	−0.015±0.003	−0.016±0.003	0.235
Second applanation A2
A2 time (ms)	21.81±0.36	21.70±0.35	0.02
A2 velocity (m/s)	−0.267±0.03	−0.273±0.03	0.06
A2 deformation amplitude	0.36±0.06	0.33±0.05	<0.001
A2 deflection length	3.08±1.09	3.10±1.21	0.89
A2 deflection amplitude	0.108±0.01	0.107±0.01	0.38
A2 deflection area	0.24±0.05	0.23±0.05	0.1
A2 delta arc length	−0.022±0.001	−0.021±0.001	0.107
Highest concavity
HC time	16.67±0.41	16.54±0.41	0.01
Radius (mm)	6.72±0.57	6.50±0.68	0.009
HC deformation amplitude	1.056±0.09	1.070±0.1	0.25
HC deflection length	5.77±1.23	5.52±1.33	0.14
HC deflection amplitude	0.89±0.08	0.93±0.09	0.005
Peak distance	4.95±0.23	5.02±0.21	0.015
HC deflection area	3.22±0.43	3.35±0.46	0.024
HC delta arc length	−0.133±0.02	−0.131±0.02	0.56
Maximum
Max deformation amplitude	1.056±0.09	1.070±0.1	0.25
Max deflection amplitude	0.91±0.08	0.94±0.09	0.01
Max delta arc length	-0.148±0.02	0.147±0.02	0.66
Max inverse radius	0.183±0.02	0.186±0.02	0.15
Vinciguerra screening parameter
Deformation amplitude ratio max (2 mm)	4.48±0.38	4.51±0.42	0.54
Ambrósio’s relational thickness to the horizontal profile	423.9±68	436.8±82.6	0.19
bIOP	16.19±1.86	16.64±1.86	0.06
Integrated radius	8.83±0.93	8.94±1.0	0.38
Stiffness parameter at A1	106.3±13.6	106.8±14.0	0.75
Corvis biomechanical index	0.086±0.16	0.057±0.12	0.09

P<0.05 indicates statistical significance