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New femtosecond system improves LASIK outcomes
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BERLIN — LASIK flap creation with a new femtosecond laser system is safe, effective and predictable, according to a surgeon here.
Ziemer's Femto LDV "is compact and mobile, easy to use and quite similar to a traditional LASIK microkeratome. It has a short focal length, a large numerical aperture, and a small spot size, which results in less shockwave effect and less energy delivered to the tissue than other femto lasers," Mohammad Ghoreishi, MD, said during the European Society of Cataract and Refractive Surgeons meeting.
While the first prototype created some "sticky bed" problems due to the typical residual collagen bridges of femtosecond cuts, the new, upgraded model produces more accurate, clean cuts that make flap removal very smooth and easy, he explained.
The system was used in his clinic to perform the LASIK flap in 210 eyes of 105 patients with myopia and myopic astigmatism. The Technolas excimer laser (Bausch & Lomb) was used to perform the ablation.
Flap thickness was highly predictable and reproducible, visual results satisfactory and no significant complications occurred.