The Thin-Flap LASIK Technique

Dougherty, Paul J.
September 2005
Journal of Refractive Surgery;Sep2005 Supplement, pS650
Academic Journal
PURPOSE: To determine if LASIK using a 130-µm microkeratome head (thin-flap LASIK) is as visually effective and safe as when using a 160-µm head. METHODS: A study was performed comparing postoperative day 1 uncorrected visual acuity (UCVA) and flap complications in eyes undergoing myopic LASIK with a 130-µm head versus a 160-µm head using the BD K-3000 microkeratome (BD Ophthalmic Systems, Waltham, Mass). RESULTS: The mean preoperative myopia in the 155 eyes of 80 patients in the 130-µm head group was -5.00 ± 2.53 diopters (D) compared to -3.78 ± 1.73 D in the 279 eyes of 148 patients in the 160-µm head group. The groups were otherwise similar in terms of age, preoperative cylinder, and best spectacle-corrected visual acuity. The geometric mean postoperative day 1 UCVA was 20/25 in the 130-µm head group compared to 20/26 in the 160-µm head group. The only flap complication in the series was a single partial flap in the 160-µm head group. CONCLUSIONS: LASIK with a 130-µm head (thin-flap LASIK) is as visually effective and safe as when using a 160-µ head with the BD K-3000 microkeratome.


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