High-powered lasers are dangerous and can cause severe eye injury. This image from the FAA shows eye damage from lasers. Even Class IIIa, laser pointers can cause temporary visual effects causing short-term blinding and disorientation.

The high-powered pointer below was listed for sale online. The Class IIIb laser has 50 milliwatts of output power, 45 milliwatts above the legal limit of 5 milliwatts, for a laser pointer.

HAVE A QUESTION ABOUT A DEVICE
Contact the FDA's Center for Devices and Radiological Health at (240) 276-0326. Some laser pointers purchased online do not meet federal safety guidelines. They may have lasers too powerful. The FDA has more information.
CLASSIFICATION OF LASERS
Green lasers are used in:
Class I: CD players
Class II: Bar code scanners
Class IIIa, less than 5 milliwatts: Laser pointers and some gun targets
Class IIIb and IV, more than 5 milliwatts to 500 milliwatts: laser light shows, industrial lasers, research lasers.
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