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Proceedings Paper

Spectral dependence of retinal thermal injury
Author(s): David J. Lund; Peter R. Edsall; Bruce E. Stuck
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Paper Abstract

The action spectrum for light-induced damage to the retina results from wavelength dependent transmission of the pre-retinal ocular media, wavelength dependent absorption in retinal chromophores, and chromatic aberration of the eye optics. While various light/tissue interaction mechanisms have been implicated, thermal mechanisms dominate in the red and near-infrared for all exposure durations and in the visible for exposures shorter than a few seconds. A number of investigators have measured the transmission of the eye and the spectra of retinal absorbers, and thermal models based on these data predict the broad features of the action spectrum. Dose/response studies with lasers conducted over the past 40 years have mainly validated the thermal models. However, thresholds for laser induced chorioretinal injury using q-switched pulses show a variability ofthreshold with small changes in wavelength

Paper Details

Date Published: 3 March 2000
PDF: 13 pages
Proc. SPIE 3902, Laser-Induced Damage in Optical Materials: 1999, (3 March 2000); doi: 10.1117/12.379337
Show Author Affiliations
David J. Lund, Walter Reed Army Institute of Research (United States)
Peter R. Edsall, The Analytical Sciences Corp., Inc. (United States)
Bruce E. Stuck, Walter Reed Army Institute of Research (United States)


Published in SPIE Proceedings Vol. 3902:
Laser-Induced Damage in Optical Materials: 1999
Gregory J. Exarhos; Arthur H. Guenther; Mark R. Kozlowski; Keith L. Lewis; M. J. Soileau, Editor(s)

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