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Ultrafast (femtosecond) laser refractive surgery

Sugar, Alan MD

Current Opinion in Ophthalmology: August 2002 - Volume 13 - Issue 4 - p 246-249
Refractive surgery

Lasers with ultrafast pulses have been developed to decrease the energy necessary to incise tissues and to decrease damage to surrounding tissues. The IntraLase femtosecond (10−15 seconds) laser has been approved by the FDA for lamellar corneal surgery. It uses an infrared (1053 nm) scanning pulse focused to 3 μm with an accuracy of 1 μm to cut a spiral pattern in the corneal stroma creating precise lamellar flaps for LASIK. Clinical studies show that the flaps are uniformly of good quality with no flap complications. The flexibility of this system allows for intrastromal corneal surgery and may make it useful for other refractive and corneal procedures.

Kellogg Eye Center, University of Michigan, Ann Arbor, Michigan, USA.

Correspondence to Alan Sugar, MD, Kellogg Eye Center, 1000 Wall St., Ann Arbor, MI 48105, USA; e-mail: asugar@umich.edu

Financial statement: The author has been a past paid consultant to IntraLase, Corp.

© 2002 Lippincott Williams & Wilkins, Inc.