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Research Papers

Optoacoustic imaging for optimization of laser cyclophotocoagulation

[+] Author Affiliations
Uwe Oberheide, Ingo Bruder, Herbert Welling

Laser Zentrum Hannover e.V., Hollerithallee 8, 30419?Hannover, Germany E-mail: uo@lzh.de

Wolfgang Ertmer

University of Hannover, Welfengarten 1, 30167?Hannover, Germany

Holger Lubatschowski

Laser Zentrum Hannover e.V., Hollerithallee 8, 30419?Hannover, Germany

J. Biomed. Opt. 8(2), 281-287 (Apr 01, 2003). doi:10.1117/1.1559998
History: Received Feb. 22, 2002; Revised Sep. 20, 2002; Accepted Nov. 15, 2002; Online April 01, 2003
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Optoacoustic imaging was used for ophthalmic imaging, especially of the ciliary body region, which is of interest in the treatment of glaucoma. The different tissue structures below the sclera of porcine and rabbit eyes in vitro could be differentiated up to a depth of more than 1.5 mm. Based on the optoacoustic signals, two-dimensional tomographic images could be generated for visualization of this region in a B-scan mode. In addition, changes during the coagulation process could be measured in real time, allowing the development of online control mechanisms for cyclophotocoagulation, which is an important therapy of glaucoma. © 2003 Society of Photo-Optical Instrumentation Engineers.

© 2003 Society of Photo-Optical Instrumentation Engineers

Topics

Eye ; Lasers ; Sensors ; Tissues ; Sclera

Citation

Uwe Oberheide ; Ingo Bruder ; Herbert Welling ; Wolfgang Ertmer and Holger Lubatschowski
"Optoacoustic imaging for optimization of laser cyclophotocoagulation", J. Biomed. Opt. 8(2), 281-287 (Apr 01, 2003). ; http://dx.doi.org/10.1117/1.1559998


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