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Blinded by the Light—NOT!

Blinded by the Light—NOT! EDITORIAL 3,4 ASER POINTER incidents have captured na- opic sensitivity. For example, 650-, 635-, and 532-nm tional and local attention. Musicians, ath- pointers have the same luminosity as a 5-mW, 670-nm letes, police officers, and school bus driv- laser pointer with only 1.5, 0.74, and 0.18 mW of power, ers have been dazzled. Juveniles have respectively. Many factors other than luminosity influ- L annoyed joggers, moviegoers, classmates, ence the lecture room effectiveness of a laser pointer, in- and teachers. People have been harassed in their cars and cluding contrast in brightness and color between high- homes. Laws have been passed restricting the sale of la- lighted material and the laser spot and laser spot size as ser pointers to minors. The public remains confused by determined by exit beam diameter, beam divergence, and conflicting and often misleading information in press re- pointer-screen distance. ports on laser pointer safety. The retinal effects of laser exposures are deter- The current issue of ARCHIVES provides important mined by wavelength, pulse duration, and retinal irra- 7-9 information on the macular consequences of staring into diance (retinal laser power per unit area). Refraction a laser pointer beam. The clinical history and foveal find- by http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png JAMA Ophthalmology American Medical Association

Blinded by the Light—NOT!

JAMA Ophthalmology , Volume 117 (11) – Nov 1, 1999

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References (17)

Publisher
American Medical Association
Copyright
Copyright 1999 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.
ISSN
2168-6165
eISSN
2168-6173
DOI
10.1001/archopht.117.11.1547
Publisher site
See Article on Publisher Site

Abstract

EDITORIAL 3,4 ASER POINTER incidents have captured na- opic sensitivity. For example, 650-, 635-, and 532-nm tional and local attention. Musicians, ath- pointers have the same luminosity as a 5-mW, 670-nm letes, police officers, and school bus driv- laser pointer with only 1.5, 0.74, and 0.18 mW of power, ers have been dazzled. Juveniles have respectively. Many factors other than luminosity influ- L annoyed joggers, moviegoers, classmates, ence the lecture room effectiveness of a laser pointer, in- and teachers. People have been harassed in their cars and cluding contrast in brightness and color between high- homes. Laws have been passed restricting the sale of la- lighted material and the laser spot and laser spot size as ser pointers to minors. The public remains confused by determined by exit beam diameter, beam divergence, and conflicting and often misleading information in press re- pointer-screen distance. ports on laser pointer safety. The retinal effects of laser exposures are deter- The current issue of ARCHIVES provides important mined by wavelength, pulse duration, and retinal irra- 7-9 information on the macular consequences of staring into diance (retinal laser power per unit area). Refraction a laser pointer beam. The clinical history and foveal find- by

Journal

JAMA OphthalmologyAmerican Medical Association

Published: Nov 1, 1999

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