Photobleaching of a human donor lens using an 800 nm femtosecond Ti:Sapphire laser

Line Kessel M.D.; Lars Eskildsen; Mike van der Poel; Michael Larsen

doi:10.1117/12.831905

17 July 2009 Photobleaching of a human donor lens using an 800 nm femtosecond Ti:Sapphire laser

Line Kessel M.D., Lars Eskildsen, Mike van der Poel, Michael Larsen

Author Affiliations +

Proceedings Volume 7373, Therapeutic Laser Applications and Laser-Tissue Interactions IV; 73730I (2009) https://doi.org/10.1117/12.831905
Event: European Conferences on Biomedical Optics, 2009, Munich, Germany

Abstract

Photobleaching of a 58 year old human donor lens was demonstrated using an infra-red, femtosecond Ti:Sapphire laser. Pulse duration was 300 femtoseconds, pulse energy was 0.1 μJ, and the focal spotsize of the laser was approximately 14 μm in diameter. The lens was treated in a 1x1 mm large area by scanning the laser beam. Significant photobleaching was seen after laser treatment. Light transmission increased by 7%. The greatest effect was seen in the blue-green part of the visible spectrum.

Citation Download Citation

Line Kessel M.D., Lars Eskildsen, Mike van der Poel, and Michael Larsen "Photobleaching of a human donor lens using an 800 nm femtosecond Ti:Sapphire laser", Proc. SPIE 7373, Therapeutic Laser Applications and Laser-Tissue Interactions IV, 73730I (17 July 2009); https://doi.org/10.1117/12.831905

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