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LASEK resulted in better acuity than LASIK on same system

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NEW ORLEANS — Using the same algorithm with the same wavefront-guided laser system, both laser epithelial keratomileusis and LASIK had similar refractive outcomes, said one surgeon speaking here. But a higher percentage of patients achieved 20/20 vision after undergoing LASEK, he said.

At the American Academy of Ophthalmology meeting, James McDonald, MD, described his study of 25 eyes with low myopia that underwent wavefront-guided LASIK and 21 eyes that underwent wavefront-guided LASEK. All surgeries were performed using the Bausch & Lomb Zyoptix system.

Eyes that had surgery-specific complications were eliminated from evaluation, he said.

“Both groups had excellent results,” he said. “There were no significant higher-order aberrations induced, but there was a slight trend of overcorrection in the LASEK group.”

In the LASIK group 14 of 17 patients achieved 20/20 or better acuity, compared to 19 of 20 patients in the LASEK group.

Dr. McDonald said physicians should be aware that they may need to adjust their LASIK nomograms when performing wavefront-guided LASEK.