I purchased transition lens glasses in November 2008. I returned them in March because the coating on the lenses smeared with white spots that could not be removed. They replaced them and now I have the exact same problem with the lenses. I cannot use the glasses because the coating is again smudged with white spots. I took them back today and the person in the optical dept afffirmed that the coating has once again failed. She offered me a 50% discount-because they are only guaranteed for 90 days. Obviously, after 4 months the glasses fail... read full review »