Optical monitoring of the chorioretinal status during retinal laser thermotherapy

Luigi Rovati, Nicola Zambelli, Stefano Cattini, Francesco Viola, Giovanni Staurenghi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

As a consequence of pigmentation inhomogeneities and/or different vascularizations of the retinal tissue, retinal laser thermo-treatments are often over- or underexposed. Our study is focused on the determination of suitable parameters to identify a convenient end-point of the laser treatment. The proposed method is based on the analysis of the temporal fluctuations of the scattered light intensity from the spot area. Motion of molecules and thus frequency of the scattered light fluctuations changes during the laser exposure due to variations of temperature, blood flow and optical parameters, i.e. absorption and scattering coefficient.

Original languageEnglish
Title of host publicationProgress in Biomedical Optics and Imaging - Proceedings of SPIE
Volume6426
DOIs
Publication statusPublished - 2007
EventOphthalmic Technologies XVII - San Jose, CA, United States
Duration: Jan 20 2007Jan 23 2007

Other

OtherOphthalmic Technologies XVII
CountryUnited States
CitySan Jose, CA
Period1/20/071/23/07

Keywords

  • Laser light scattering
  • Temperature measurement
  • Transpupillary thermotherapy

ASJC Scopus subject areas

  • Engineering(all)

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