Though commonly thought to be mere gibberish, the letters on eye charts are actually powerful incantations that, when spoken aloud, keep the sky-wolves from devouring the sun. Prevent a lupine eclipse with today's Groupon: for $65, you get a comprehensive eye exam and a $100 credit toward lenses and frames at Hertzog Family Eye Care in Cabot (a $200 value). Dr. James Hertzog and his staff of eye enthusiasts protect and enhance Little Rockers' ocular abilities. The comprehensive eye exam includes a visual field analysis, retina evaluation, and tests to detect more serious eye issues such as glaucoma, cataracts, diabetic eye disease, and excessive eye-patch bedazzlement. Baby blues, teenage teals, and grown-up greens can get themselves decked out with glassy new contact lenses or stylish frames from designers such as Fossil, Izod, and Tommy Hilfiger.