Do sunglasses really protect my eyes--and do darker sunglasses offer the best protection?
D002386:Cataract / Q000517:prevention & control; D003116:Color; D005135:Eye Protective Devices / Q000592:standards*; D006801:Humans; D011835:Radiation Protection / Q000379:methods; D014466:Ultraviolet Rays / Q000009:adverse effects*