Though Google Glass's main appeal lies in the camera and the smart circuitry located above the right eye, at the end of the day smartglasses are still glasses, and users would like to have options when it comes to frames and lenses.

Well, now they do. Google has announced the Titanium Collection for Google Glass, with four new extra-light titanium frames as well as two new styles of twist-on shades.

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The new frame styles, which functions pretty much as your regular prescription frames, are named Split, Thin, Bold and Curve. Twist on shades are now available in a total of three varieties: Edge, Classic and Active. And even if you're not entirely satisfied with the choice, worry not: Google claims more styles will be coming.

The new styles will be available to Explorers (users who've participated in the Google Glass beta program) as a $225 upgrade option Tuesday afternoon. Qualified users who need prescription lenses and have vision insurance from VSP can get subsidized frames and lenses.