Aug. 6, 2010 — Green laser pointers may emit high levels of invisible and potentially dangerous infrared light, a new study says.
Researchers report that green laser pointers deliver light that is brighter to the eye than red lasers, but the infrared light emitted by some inexpensive models could damage the retina of the eye.
Charles Clark, PhD, of the National Institute of Standards and Technology (NIST), led a research team measuring the output of several green laser pointers.
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