The handheld laser pointers you can buy at office supplies stores are legally required to be no powerful than 0.005-watts, and most fall well below that threshold so they’re relatively safe to use.

Every now and then, one of my columns elicits enough reader response to merit a follow-up. Such is the case with a piece I wrote on green laser pointers (November 2013), in which I outlined their ...

Please provide your email address to receive an email when new articles are posted on . A study included eight eyes of seven patients who reported injuries after exposure to laser pointers. Five of ...