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Femtosecond laser-assisted keratoplasty shows promise

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LONDON — Lamellar keratoplasty performed using a femtosecond laser restored physiological corneal thickness and shape in a small patient cohort, according to a study presented here.

Luigi Mosca, MD, of the Catholic University of Sacro Cuore Eye Clinic in Italy discussed the results at the European Society of Cataract and Refractive Surgeons meeting. The IntraLase FS femtosecond laser was used to perform lamellar keratoplasty in 18 eyes of 18 patients whose mean age was 37 years. The study included 11 eyes with keratoconus, three eyes with corneal scarring due to infection and four eyes with post-traumatic anterior stromal opacities.

Donor lamella thickness averaged 382 µm, and residual stromal bed thickness averaged 154 µm.

Preoperatively, patients had a mean uncorrected visual acuity of 0.13 and best corrected visual acuity of 0.33, Dr. Mosca said.

The researchers found slight improvements in UCVA and BCVA at up to 3 months postop. Vision improved further after suture removal at around 4 months. At 12 months' follow-up, mean UCVA improved to 0.45 and a mean BCVA improved to 0.65, he said.