Association between Iris Biological Features and Corneal Biomechanics in Myopic Eyes

Table 2

Mean value of the corneal biomechanical parameters.

Corvis parameters	Mean [SD]
DA max, mm	1.06 [0.10]
A1 time, ms	7.42 [0.23]
A1 velocity, ms	0.15 [0.02]
A2 time, ms	22.02 [0.35]
A2 velocity, ms	-0.28 [0.03]
HC time, ms	16.7 [0.36]
PD, mm	4.99 [0.24]
Radius, mm	6.68 [0.71]
A1 DA, mm	0.15 [0.01]
HC DA, mm	1.06 [0.10]
A2 DA, mm	0.32 [0.06]
A1 DLL, mm	2.24 [0.18]
HC DLL, mm	6.42 [0.42]
A2 DLL, mm	2.71 [0.56]
A1 DLA, mm	0.09 [0.01]
HC DLA, mm	0.93 [0.09]
A2 DLA, mm	0.1 [0.01]
DLA max, mm	0.94 [0.09]
A1 dArcL, mm	-0.02 [0]
HC dArcL, mm	-0.13 [0.02]
A2 dArcL, mm	-0.02 [0]
dArcLM, mm	-0.15 [0.02]
Max inverse radius (mm^-1)	0.19 [0.02]
DA ratio max, 2 mm	4.32 [0.35]
DA ratio max, 1 mm	1.56 [0.04]
Integrated radius (mm^-1)	9.11 [0.86]
SP-A1	102.44 [18.39]

SD: standard deviation; DA: deformation amplitude; Max: maximum; A1: the first applanation; A2: the second applanation; HC: highest concavity; PD: peak distance; DLL: deflection length; DLA: deflection amplitude; dArcL: delta arc length; dArcLM: delta arc length max; SP-A1: stiffness parameter at the first applanation.