If you go Hollywood, do it right. The most important thing is to buy sunglasses that limit your exposure to UV radiation, which can be damaging to your eyes and especially to your retinas, he says. That will mean that they ve undergone some quality testing.
Tints don t necessarily mean protection.
Your pupils will expand to look out through colored glass, thus letting in even more UV radiation. Also try the glasses on to make sure you can still tell one color from another. Think of the importance of being able to distinguish traffic lights. Risk factors include having had a cataract removed without a lens implant, or working outdoors, where reflections from snow, water or concrete can give you an extra UV dose. Also, if you re being treated for psoriasis or vitiligo, you may be taking drugs such as psoralen that sensitize you to UV absorption.