Eye Hazards From Light Sources
McCulloch , Mark
(Hewlett-Packard, Corvallis OR)
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There are many different types of light sources: visible, invisible, laser, non-laser UV, IR, etc. Risk to the human eye depends on wavelength, power density at the eye, and other factors. The key objectives of this presentation are: (1) Understand how different wavelengths of light affect / interact with the human eye; (2) Understand the basic risk-assessment steps to evaluate exposure potential from various light sources (whether laser sources, or non-laser sources such as UV & IR lamps); (3) Understand some common control measures to protect against these light sources, such as how to specify correct eyewear.