Lenses--Discovered Accidentally--May Help People Who Are Colorblind

"The eyeglass lenses that Don McPherson invented were meant for surgeons. But through serendipity he found an entirely different use for them: as a possible treatment for colorblindness," according to the New York Times. "Mr. McPherson is a glass scientist and an avid Ultimate Frisbee player. He discovered that the lenses he had invented, which protect surgeons’ eyes from lasers and help them differentiate human tissue, caused the world at large to look candy-colored — including the Frisbee field.At a tournament in Santa Cruz, Calif., in 2002, while standing on a grassy field dotted with orange goal-line cones, he lent a pair of glasses with the lenses to a friend who happened to be colorblind...." Read more.