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Femtosecond lasers for eye surgery applications: historical overview and modern low pulse energy concepts

Femtosecond lasers for eye surgery applications: historical overview and modern low pulse energy... AbstractThis review provides an overview of the historical development and modern applications of femtosecond (fs) lasers in ophthalmology, with a focus on the optical concepts involved. fs-Laser technology is unique because it allows very precise cutting inside the eye through optically transparent tissue, without a need for any mechanical openings. fs-Lasers were historically first used for refractive cornea surgery, later also for therapeutic cornea procedures and lens surgery. Further new areas of ophthalmic application are under development. The latest laser system concept is low pulse energy and high pulse frequency: by using larger numerical aperture focusing optics, the pulse energy required for optical breakdown decreases, and athermal tissue cutting with minimal side effects is enabled. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Advanced Optical Technologies de Gruyter

Femtosecond lasers for eye surgery applications: historical overview and modern low pulse energy concepts

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Publisher
de Gruyter
Copyright
© 2021 Thomas Asshauer et al., published by De Gruyter, Berlin/Boston
ISSN
2192-8584
eISSN
2192-8584
DOI
10.1515/aot-2021-0044
Publisher site
See Article on Publisher Site

Abstract

AbstractThis review provides an overview of the historical development and modern applications of femtosecond (fs) lasers in ophthalmology, with a focus on the optical concepts involved. fs-Laser technology is unique because it allows very precise cutting inside the eye through optically transparent tissue, without a need for any mechanical openings. fs-Lasers were historically first used for refractive cornea surgery, later also for therapeutic cornea procedures and lens surgery. Further new areas of ophthalmic application are under development. The latest laser system concept is low pulse energy and high pulse frequency: by using larger numerical aperture focusing optics, the pulse energy required for optical breakdown decreases, and athermal tissue cutting with minimal side effects is enabled.

Journal

Advanced Optical Technologiesde Gruyter

Published: Dec 20, 2021

Keywords: ablation of tissue; laser-induced breakdown; laser materials processing; ophthalmic optics and devices; ultrafast lasers; visual optics, refractive surgery

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