Keratoconus Clinical Trial
Official title:
Femtosecond Laser-Assisted Keratoplasty
The purpose of this study will be to determine optimal surgical technique for performing FLAK including laser parameters, keratoplasty shape and suture technique in order to standardize surgical technique and to collect safety and efficacy data. This will be compared to data of patients with full thickness PKP to measure visual outcomes, refraction, astigmatism, surgical methods and wound healing.
FLAK Instrument: The Femtosecond Laser (IntraLase Corporation, Irvine, CA) is a focusable
infrared laser, similar to the more familiar neodymium-yttrium-aluminum-garnet (YAG) laser,
but uses shorter pulses in the hundred-femtosecond (100 X 10-15 seconds) duration range.
There is minimal postoperative inflammation and collateral tissue damage.
Subjects: We will be enrolling subjects 18 years or older that need keratoplasty based on
clinical findings. Subjects will be enrolled regardless of race or gender on a first come
first serve basis. Subjects will be recruited from the physicians own clinic.
PKP Subjects: We will do a retrospective chart review on subjects who have undergone
traditional PKP. FLAK eyes will be age and gender matched to these PKP eyes to compare
visual outcomes, wound healing and complications.
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Observational Model: Case Control, Time Perspective: Prospective
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