First efficacy and safety study of femtosecond lenticule extraction for the correction of myopia
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- 1 September 2008
- journal article
- Published by Ovid Technologies (Wolters Kluwer Health) in Journal of Cataract & Refractive Surgery
- Vol. 34 (9), 1513-1520
- https://doi.org/10.1016/j.jcrs.2008.05.033
Abstract
To prospectively study the feasibility of femtosecond lenticule extraction (FLE), a new method of refractive correction. Department of Ophthalmology, Philipps University of Marburg and Helios Clinic, Erfurt, Germany. A flap and a lenticule of intrastromal corneal tissue were simultaneously cut with a VisuMax femtosecond laser system. Next, the lenticule was manually removed and the flap repositioned. The target refraction in all cases was -0.75 diopter (D). All 10 myopic eyes in the initial treatment group completed the final 6-month follow-up. The mean patient age was 39 years. The mean spherical equivalent (SE) was -4.73 +/- 1.48 (SD) preoperatively and -0.33 +/- 0.61 D 6 months postoperatively. Ninety percent of eyes were within +/-1.00 D and 40% were within +/-0.50 D of the intended correction. No eye lost 2 or more Snellen lines. Corneal topography showed large, prolate optical zones. Aberrometry showed no significant induction of higher-order aberrations. On a standardized questionnaire, all patients said they were very satisfied with the results. Preliminary results indicate that FLEx [corrected] is a promising new corneal refractive procedure to correct myopia.Keywords
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