نتایج جستجو برای: microkeratome

تعداد نتایج: 237  

2013
A John Kanellopoulos George Asimellis

PURPOSE To evaluate programmed versus achieved laser-assisted in situ keratomileusis (LASIK) flap central thickness and investigate topographic flap thickness variability, as well as the effect of potential epithelial remodeling interference on flap thickness variability. PATIENTS AND METHODS Flap thickness was investigated in 110 eyes that had had bilateral myopic LASIK several years ago (av...

Journal: :Saudi journal of ophthalmology : official journal of the Saudi Ophthalmological Society 2011
Massimo Busin Jacqueline Beltz Vincenzo Scorcia

OBJECTIVE To report the outcome of mushroom keratoplasty for the treatment of full thickness corneal disease in pediatric patients with healthy endothelium. METHODS A retrospective analysis of pediatric patients who underwent mushroom keratoplasty. The medical records of pediatric patients suffering from full thickness corneal stromal disease with normal endothelium who underwent mushroom ker...

Journal: :Journal of cataract and refractive surgery 2005
Daniel S Durrie Guy M Kezirian

PURPOSE To compare the outcomes of wavefront-guided laser in situ keratomileusis (LASIK) performed using the IntraLase femtosecond laser with the outcomes using the Hansatome mechanical microkeratome. SETTING Private clinic, Overland Park, Kansas, USA. METHODS In a prospective contralateral-eye study performed under institutional review board supervision, 51 consecutive patients (102 eyes) ...

Journal: :Investigative ophthalmology & visual science 2010
Daniel Kampik Bernhard Ralla Sabine Keller Markus Hirschberg Peter Friedl Gerd Geerling

PURPOSE Riboflavin/ultraviolet A (UVA) cross-linking (CXL) of corneal collagen is a novel method of stabilizing corneal mechanical properties and preventing progression of keratectasias. This study was conducted to investigate whether CXL influences ablation rate, flap thickness, and refractive results of excimer laser procedures ex vivo. METHODS Corneal epithelium was removed from enucleated...

Journal: :Archives of ophthalmology 2002
Sylvie M Velou Joseph Colin

I N 1998, a 37-year-old woman underwent bilateral same-day laser in situ keratomileusis (LASIK) surgery. The preoperative refraction was −6 diopters (D) for each eye. The surgery on the right eye was uncomplicated. On the left eye, the procedure was complicated by cornealperforation,probablydue tomisassembly of an older-generation microkeratome with a removable spacer plate. Despite surgical re...

Journal: :Journal of cataract and refractive surgery 2004
Alireza Mirshahi Jens Bühren Thomas Kohnen

PURPOSE To report the clinical outcome of laser in situ keratomileusis (LASIK) cases complicated by severe central intraoperative epithelial defects (EDs) caused by the microkeratome cut. SETTING Department of Ophthalmology, Johann Wolfgang Goethe-University, Frankfurt am Main, Germany. METHODS In a retrospective study of 1650 LASIK cases at 1 center, the preoperative data, surgical procedu...

2016
Almamoun Abdelkader

BACKGROUND To evaluate, using a rabbit model, the influence of the wound healing process at the flap edge on corneal biomechanics after sutured, glued, and non-augmented microkeratome flaps. METHODS Unilateral 160 μm thick laser in situ keratomileusis (LASIK) flaps using a mechanical microkeratome were performed on the corneas of the left eyes of 36 rabbits. Animals were then divided into 3 g...

Journal: :Journal of cataract and refractive surgery 2015
Alberto Villarrubia Antonio Cano-Ortiz

PURPOSE To report the predictability of a nomogram for ultrathin donor lamella creation for Descemet-stripping automated endothelial keratoplasty (DSAEK) with an automated microkeratome. SETTING Instituto de Oftalmología La Arruzafa, Córdoba, Spain. DESIGN Prospective nonrandomized consecutive case series. METHODS This study enrolled eyes of consecutive patients in which DSAEK was perform...

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