CTV has done an excellent video with optometrist Lora Lee Hardly discussing blue light and the dangers it posses. Stick it out through the first 5 seconds and there is some great information there.

Some amazing statics and the more this information is out there the more it can help!

http://ottawa.ctvnews.ca/video?clipId=521434

The website promoted is: Blue Light Exposed check them out for some more great info.