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L. Mosca, R. Fasciani, L. Mosca, G. Maione, E. Balestrazzi; Evaluation of Accuracy and Predictability of Corneal Flap Thickness in Intralasik. Invest. Ophthalmol. Vis. Sci. 2007;48(13):5327.
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© ARVO (1962-2015); The Authors (2016-present)
To evaluate the accuracy and predictability of corneal flap thickness performed by Intralase.
35 eyes of 23 patients (mean age: 38.2+/- 2.6SD), underwent LASIK using Intralase® femtosecond laser (Intralase, Irvine, California, USA) to perform a 120mm thick and 9.0 mm wide corneal flap, with a 1.90mJ energy. For each eye, an intraoperative differential pachimetric measurement with a contact ultrasound pachimetry (Pachmate DGH Technology, Inc, Exton, PA, USA), before and after flap lift, and a optical pachimetry with Confoscan 4 (Nidek technologies, Tokyo, Japan) 30 days after surgery, were taken. The data from ultrasound pachimetry and from optical pachimetry were compared.
No significant differences related to refractive defect were found. The difference between the attempted and the real pachimetric values of the flap performed with Intralase® femtosecond laser resulted irrelevant. None significant variability between the intraoperative ultrasound pachimetry values and the postoperative optical (Confoscan 4) ones was found (118.25 +/- 8.9SD Vs 117.51+/-5.76SD)
Intraoperative and follow-up measurements show comparable results, proving the safety and the predictability of Intralase® femtosecond laser in performing LASIK corneal flap.
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