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Product Code: ILSC2009_503

Influence of Magnifiers on Ocular Exposure Levels
Georg Vees, Austrian Research Centers Gmbh - Arc; Seibersdorf Austria
Reinhard Gilber, Austrian Research Centers Gmbh - Arc; Seibersdorf Austria
Karl Schulmeister, Austrian Research Centers GmbH; Seibersdorf Austria
Presented at ILSC 2009

In the international laser safety standard, IEC 60825-1 measurement criteria account for increased potential risk when exposure occurs with eye loupes (magnifiers) and with telescopes, respectively. An experimental analysis was performed with a number of eye loupes and telescopes for a range of sources in order to determine the impact of optical instruments on the accessible power level, as well as on the angular subtense of the apparent source.

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