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

Table 2

Elemental compositions (%) of SHL and VE/SHL contact lenses.

Sample	Element (%)
	C	O	Si	N
SHL	56.83	24.09	15.22	3.86
VE/SHL-3	69.49	18.48	10.08	1.96