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Proceedings Paper

Optoacoustic online control for laser cyclophotocoagulation
Author(s): Uwe Oberheide; Birte Jansen; Ingo Bruder; Holger Lubatschowski; Herbert Welling; Wolfgang Ertmer
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Paper Abstract

In this work, we show the capability of laser optoacoustics to localize the position of the ciliary body on enucleated porcine and rabbit eyes. Our findings correspond well with histological sections of the measured area. Different wavelengths for an optoacoustical detection system in combination with laser cyclophotocoagulation have been compared taking grayscale images of the region of interest of rabbit and porcine eyes for various wavelengths in the NIR spectral range. Additionally, the changes in the optical properties of the tissue induced by coagulation with a diode laser were observed. First online measurements of the changes due to coagulation show that the method of laser optoacoustics is suitable for an online therapy control system.

Paper Details

Date Published: 15 June 2001
PDF: 8 pages
Proc. SPIE 4256, Biomedical Optoacoustics II, (15 June 2001); doi: 10.1117/12.429321
Show Author Affiliations
Uwe Oberheide, Laser Zentrum Hannover eV (Germany)
Birte Jansen, Laser Zentrum Hannover eV (Germany)
Ingo Bruder, Laser Zentrum Hannover eV (Germany)
Holger Lubatschowski, Laser Zentrum Hannover eV (Germany)
Herbert Welling, Laser Zentrum Hannover eV (Germany)
Wolfgang Ertmer, Univ. of Hannover (Germany)

Published in SPIE Proceedings Vol. 4256:
Biomedical Optoacoustics II
Alexander A. Oraevsky, Editor(s)

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