Corneal Biomechanical Properties after FS-LASIK with Residual Bed Thickness Less Than 50% of the Original Corneal Thickness

Table 5

The fitted parameters of stress-relaxation data by model (8).

Group	E1 (MPa)	E2 (MPa)	E0 (MPa)	t1 (min)	t2 (min)		R^2
L65	4.4116 ± 1.5107	5.1094 ± 2.0502	5.0964 ± 2.0715	1.9127 ± 1.5894	1.3507 ± 1.6128	0.3478 ± 0.0542	0.9962 ± 0.0006
L60	2.7766 ± 0.9990	2.5855 ± 0.7133	2.7971 ± 1.1720	1.3286 ± 1.5633	1.9579 ± 1.6412	0.3368 ± 0.0631	0.9962 ± 0.0007
R	1.0193 ± 0.5170	0.9638 ± 0.4222	0.8203 ± 0.6567	1.0008 ± 1.1996	2.3151 ± 1.5689	0.2738 ± 0.0685	0.9960 ± 0.0007