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Wavelength optimization in femtosecond laser corneal surgery: Experimental results

  • C. Crotti
  • , F. Deloison
  • , D. A. Peyrot
  • , M. Savoldelli
  • , J. M. Legeais
  • , F. Roger
  • , K. Plamann
  • Laboratory d'Optique Appliquée, ENSTA, CNRS-École Polytechnique
  • Clinical Epidemiology Centre

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Femtosecond laser surgery in the volume of corneal tissue is difficult in the case of oedematous or pathological corneas: in those corneas, the propagation of the laser beam is perturbed by the optical scattering. This phenomenon can be greatly reduced by using a better suited laser wavelength. A series of ex vivo surgical experiments has been conducted at wavelengths around 1600 nm. The results have been compared to experiments performed at 800 nm and 1000 nm. We have compared penetration depth and incision quality as a function of wavelength and energy.

Original languageEnglish
Title of host publicationTherapeutic Laser Applications and Laser-Tissue Interactions IV
DOIs
Publication statusPublished - 20 Oct 2009
EventTherapeutic Laser Applications and Laser-Tissue Interactions IV - Munich, Germany
Duration: 17 Jun 200918 Jun 2009

Publication series

NameProgress in Biomedical Optics and Imaging - Proceedings of SPIE
Volume7373
ISSN (Print)1605-7422

Conference

ConferenceTherapeutic Laser Applications and Laser-Tissue Interactions IV
Country/TerritoryGermany
CityMunich
Period17/06/0918/06/09

Keywords

  • Absorption
  • Corneal surgery
  • Scattering
  • Suited wavelength
  • Transparency

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