Research Papers

Thermal lensing in ocular media exposed to continuous-wave near-infrared radiation: the 1150–1350-nm region

[+] Author Affiliations
Rebecca L. Vincelette, Ashley J. Welch

University of Texas, Department of Biomedical Engineering, 1 University Station, C0800, Austin, Texas, 78712

Robert J. Thomas, Benjamin A. Rockwell

Air Force Research Laboratory, Human Effectiveness Directorate-Optical, 2624 Louis Bauer Dr., Brooks City-Base, Texas, 78235

David J. Lund

U.S. Army Medical Research Detachment, 7965 Dave Erwin Dr., Brooks City-Base, Texas 78235

J. Biomed. Opt. 13(5), 054005 (September 18, 2008). doi:10.1117/1.2978066
History: Received November 07, 2007; Revised April 08, 2008; Accepted April 10, 2008; Published September 18, 2008
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Ocular damage threshold data remain sparse in the continuous wave (CW), near-infrared (NIR) radiation region save for the 1300-nm area that has been investigated in the past several decades. The 1300-nm ocular damage data have yielded unusual characteristics where CW retinal damage was observed in rabbit models, but never in nonhuman primate models. This paper reviews the existing 1300-nm ocular damage threshold data in terms of the fundamental criteria of an action spectrum to assist in explaining laser-tissue effects from near-infrared radiation in the eye. Reviewing the action spectrum criteria and existing NIR retinal lesion data lend evidence toward the significant presence of thermal lensing in ocular media affecting damage, a relatively unexplored mechanism of laser-tissue interaction.

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© 2008 Society of Photo-Optical Instrumentation Engineers

Citation

Rebecca L. Vincelette ; Ashley J. Welch ; Robert J. Thomas ; Benjamin A. Rockwell and David J. Lund
"Thermal lensing in ocular media exposed to continuous-wave near-infrared radiation: the 1150–1350-nm region", J. Biomed. Opt. 13(5), 054005 (September 18, 2008). ; http://dx.doi.org/10.1117/1.2978066


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