State-of-the-Art LED Corneal Topography Guided Accurate Astigmatism Correction in LASIK Surgery
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Two-step LASIK with topography-guided ablation to correct astigmatism after penetrating keratoplasty.
PURPOSE To assess the efficacy, predictability, stability, and safety of a two-step LASIK procedure using topography-guided ablation to correct astigmatism after penetrating keratoplasty. METHODS Fifteen eyes of 15 patients underwent a two-step LASIK procedure at the Maggiore Hospital of Bologna, Italy. In the first step, a flap was created using the Hansatome microkeratome. In the second ste...
متن کاملTransepithelial, Topography-guided Ablation in the Treatment of Visual Disturbances in LASIK Flap or Interface Complications.
PURPOSE To evaluate the efficacy and safety of a single-step, transepithelial, topography-guided surface ablation in the treatment of visual disturbances including irregular astigmatism and light scattering caused by LASIK flap or interface complications. METHODS Seventeen eyes of 16 patients with LASIK flap or interface complications and central residual stromal thickness ≥300 μm were treate...
متن کاملSurgically-induced astigmatism after LASIK for spherical myopia.
To the Editor: We were interested to read the recent study by Huang and co-authors (Huang D, Sur S, Seffo F, Mesiler DM, Krueger RR. Surgically-induced astigmatism after laser in situ keratomileusis for spherical myopia. J Refract Surg 2000;16:515-518) regarding the possible effect of the LASIK flap on surgically-induced astigmatism. In that study, the authors found that a superior hinge produc...
متن کاملManagement of corneal ectasia after LASIK with combined, same-day, topography-guided partial transepithelial PRK and collagen cross-linking: the athens protocol.
PURPOSE To evaluate a series of patients with corneal ectasia after LASIK that underwent the Athens Protocol: combined topography-guided photorefractive keratectomy (PRK) to reduce or eliminate induced myopia and astigmatism followed by sequential, same-day ultraviolet A (UVA) corneal collagen cross-linking (CXL). METHODS Thirty-two consecutive corneal ectasia cases underwent transepithelial ...
متن کاملStrategic planning in topography-guided ablation of irregular astigmatism after laser refractive surgery.
PURPOSE To identify an optimal customized ablation strategy in the treatment of eyes with secondary irregular astigmatism. METHODS Corneal anterior surface elevation maps of 50 eyes with secondary irregular astigmatism after decentered laser in situ keratomileusis (LASIK) or photorefractive keratectomy (PRK) and 50 virgin eyes were used for customized ablation simulations. Two ablation simula...
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