Serious laser fans know how to burn the hell out of everything but still keeps thmselves from harm. It's particularly taxing to your eyes when you need to focus your laser beam at a close object, quite a frequent scenario if you are a true laser enthusiast. That's where Warnlaser's LaserShield comes to resuce. Warnlaser LaserShield Green protects your eyes from green laser beams, although the lens are acutally red in color.