Everybody (I hope) knows UV light is harmful. But what many don't know is that it's slightly less energetic cousin is blue light, and more and more studies are showing that blue light exposure can lead to macular degeneration. Our TVs and digital screens are able to emit blue light, especially when the screen is showing blue images, such as the Jays uniforms. Increased duration of exposure increases the risk. Blue Jays games are routinly 3+ hrs. So, can watching the Jays be hazardous to your eyes?