KGO ABC World News March 6, 2017 01:57:00
Finally tonight, seeing things differently. the moment when a black and white world transformed for a little boy. here's john donvan. >> reporter: being colorblind, and that's how cayson irlbeck of iowa was born, it's something you adapt to, and cayson did. he's a ballplayer. he gets a kick out of spending time with his family. but he also wondered what he was missing. and so, when he heard about some special lenses that alter the light passing through them to make certain colors pop, he wanted to try them. knowing they didn't work for everyone with his condition. >> we were concerned that he ...