Laser Pointers - are they safe?
Low cost laser pointers are now generally available extremely cheaply. We at Lucid are concerned that, wrongly used, they present a significant hazard. The following links deal with various aspects of the problem:
General Laser Pointer Information
A Study of Low Cost Laser Pointers - how well are they labelled?
Safety Calculations for a 1W blue laser pointer
A calculator for hazard distances (including distraction, glare and tempoary flash blindness distances)