Modification of Silicone Hydrogel Contact Lenses with Vitamin E for the Delivery of Ofloxacin

Table 3

Tensile strength and elongation at break of SHL and VE/SHL contact lenses.

	Tensile strength (MPa)	Elongation at break (%)	Content of VE in the hydrogel (wt%)
SHL	0.190	32	0
VE/SHL-1	0.170	56	7.14
VE/SHL-2	0.174	53	8.30
VE/SHL-3	0.165	51	10.29
VE/SHL-4	0.135	25	11.37