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Hazard Recognition

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

  • Laser Hazard Classes (source: U.S. FDA Laser Hazard Classes)

    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

*Accessibility Assistance: Contact OSHA's Directorate of Technical Support and Emergency Management at (202) 693-2300 for assistance accessing PDF materials.

All other documents, that are not PDF materials or formatted for the web, are available as Microsoft Office® formats and videos and are noted accordingly. If additional assistance is needed with reading, reviewing or accessing these documents or any figures and illustrations, please also contact OSHA's Directorate of Technical Support and Emergency Management at (202) 693-2300.

**eBooks - EPUB is the most common format for e-Books. If you use a Sony Reader, a Nook, or an iPad you can download the EPUB file format. If you use a Kindle, you can download the MOBI file format.

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