My 4 year old is going for an eye exam Wednesday and given my dh's horrible eyesight, I won't be surprised if she needs glasses. Anyone have experience with Walmart Vision centers and the new Hannah Montana eyewear? I know there are disney princess eyeglasses out there too, and I'm not sure who carries those. also, how much did kids glasses run? My recent progressive lenses/frames still cost $250 after all the insurance coverage. Thanks!