The best, of course, perform well while looking totally cool. Home-run king Mark McGwire wears Oakley M Frames ($140; lenses are replaceable at $70 each) with those glare-killing wraparound lenses that help him keep his eye on the ball. And to keep an eye on aliens and shield their eyes from that brain-wiping amnesia ray, the Men in Black, Will Smith and Tommy Lee Jones, chose the Predator Cutters style from Ray-Ban ($79).
But if you just need to keep an eye on the road while you drive the kids to baseball practice, you can probably get by with something considerably less expensive and still benefit from sunglasses’ main purpose: to protect your eyes from the sun’s ultraviolet radiation. UV rays have been linked to cataracts and other forms of eye disease (not to mention sunburn). And prolonged exposure can cause premature wrinkles in the soft tissue around the eyes.
As long as they meet voluntary standards for UV protection set by the American National Standards Institute (ANSI), most drugstore sunglasses will do the trick (look for the notation “Z80.3″ on the tag for both kids’ and adults’ glasses). Inexpensive lenses are made with a relatively cheap polycarbonate called CR39, which blocks out harmful UV rays. The frames may be flimsy and the lenses scratch easily–but if you’re going to lose them anyway, why pay more?
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