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IntraLase introduces keratoplasty capability for its femtosecond laser

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IRVINE, Calif. — IntraLase Corp. has released an upgrade to its femtosecond laser that will allow users to perform laser-assisted corneal transplants, the company announced.

The Food and Drug Administration granted approval for performing penetrating keratoplasty with the IntraLase FS laser in September 2005, according to a press release from the company.

In place of the vertical cuts performed by mechanical trephines, the IntraLase femtosecond laser can create precisely shaped incisions in both the recipient cornea and the donor tissue. The laser-assisted grafts may require fewer sutures that can be removed earlier, and the grafts may be more resistant to displacement than standard trephine-created corneal grafts, according to the release.

In 23 cases followed for 3 months, 91% of IntraLase-treated eyes achieved best corrected visual acuity of 20/80 or better, according to the press release. The release compared these initial results with IntraLase to those in a large-scale study of 2,200 eyes that underwent PK with mechanical trephination. In that study, published in 1997, 58% of eyes achieved 20/80 at 3 months.