Contact Lens

The file of this patent contains at least one drawing executed in color. Copies of this patent with color drawing(s) will be provided by the Office upon request and payment of the necessary fee. FIG. 1 is a front, top perspective view of a contact lens showing the claimed design; FIG. 2 is a front elevation view thereof; FIG. 3 is a rear elevation view thereof; FIG. 4 is a left side elevation view thereof; FIG. 5 is a right side elevation view thereof; FIG. 6 is a top plan view thereof; and, FIG. 7 is a bottom plan view thereof. FIGS. 1 to 7 include 40% to 60% transparency of purple (Pantone 258 C, HEX code #8C4799).