Everybody’s got a pair of sunnies in their bag. And if you don’t have a bag, you have a car. And if you don’t have a bag or a car, you have bedroom. See where we’re going here? Everyone has old pairs of sunglasses lying around. That’s what makes it so easy to fix scratched sunglass lenses. But despite their titular promise of keeping the sun out of your eyes, some brands simply don’t do as well as others in that department. In fact, it’s really not a “brand” issue as much as it’s a “type” issue. For example, the…