Is the blue light u are being exposed to daily from your computer, tablet, smart phone, television and indoor lighting harming you? Posted by Dr Michael Lange on August 2, 2015 Posted in: Uncategorized. Tagged: blocking the blue light, blocking the harmful blue light, blue light, dr michael lange, ophthalmic blue guard. Leave a comment Is the blue light u are being exposed to daily from your computer, tablet, smart phone, television and indoor lighting harming you?. via Is the blue light u are being exposed to daily from your computer, tablet, smart phone, television and indoor lighting harming you?. Share this:TwitterFacebookLinkedInTumblrLike this:Like Loading...