Here's a surprising fact -- most smartphones these days offer about 12 megapixels in their cameras. Well the human eye is capable of a little more. In fact, it's the equivalent of 576 megapixels. Take care of these incredible instruments at LensCrafters, where they offer eye exams from optometrists, professional fittings using the FitSensor device and on-site labs that can craft lenses in around an hour. They also carry a wide range of eyeglasses, sunglasses and contact lenses.