Scientists Says Tinted CLs Don't Help Athletes

"Bryce Harper, the Washington Nationals outfielder, created a minor stir last week when he showed up in the dugout wearing reddish tinted contact lenses," reports a New York Times health blog. "Other players have experimented with the amber-colored lenses...To some scientists, that may not be a surprise. Research on tinted lenses has not backed the claim that they improve visual or athletic performance. In a 2007 study in the journal Optometry, 35 college and professional football players were given the task of identifying a series of curved lines that blended into a blurry background. The players tried the experiment with clear lenses, and then repeated it with amber-colored lenses." Read more.