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

Table 4

The fitted parameters of stress-relaxation data by model (7).

Group	(MPa)	(MPa)	ts (min)		R^2
L65	10.1408 ± 5.8173	16.4475 ± 5.8594	0.6501 ± 0.1888	0.4174 ± 0.0479	0.7877 ± 0.0257
L60	5.9513 ± 3.0988	9.1808 ± 2.9271	0.7275 ± 0.0806	0.3785 ± 0.0676	0.8254 ± 0.0134
R	1.2904 ± 0.6890	2.6453 ± 1.0379	0.8094 ± 0.2709	0.3273 ± 0.0706	0.8495 ± 0.0416