Laser Hazards

Hazard Recognition

The following references aid in recognizing laser hazards in the workplace.

Class FDA Class IEC Laser Product Hazard Product Example
I 1, 1M Considered non-hazardous. Hazard increases if viewed with optical aids, including magnifiers, binoculars, or telescopes.
  • laser printers
  • CD players
  • DVD players
IIa, II 2, 2M Hazard increases when viewed directly for long periods of time. Hazard increases if viewed with optical aids.
  • bar code scanners
IIa, II 2, 2M Hazard increases when viewed directly for long periods of time. Hazard increases if viewed with optical aids.
  • bar code scanners
IIIa 3R Depending on power and beam area, can be momentarily hazardous when directly viewed or when staring directly at the beam with an unaided eye. Risk of injury increases when viewed with optical aids.
  • laser pointers
IIIb 3B Immediate skin hazard from direct beam and immediate eye hazard when viewed directly.
  • laser light show projectors
  • industrial lasers
  • research lasers
IV 4 Immediate skin hazard and eye hazard from exposure to either the direct or reflected beam; may also present a fire hazard.
  • laser light show projectors
  • industrial lasers
  • research lasers
  • medical device lasers for eye surgery or skin treatments