نتایج جستجو برای: vitrectomy
تعداد نتایج: 4081 فیلتر نتایج به سال:
Background: Modifications of the inner retinal layer is a frequent observation following pars plana vitectomy. Aim Work: To assess early changes thickness Retinal Nerve Fiber Layer after vitrectomy by ocular coherence tomography. Patients and Methods: This non-interventional observational study, in which 30 eyes patients underwent Examination Pars Plana Vitrectomy OCT. Cases were performed at O...
The epiretinal membrane is a thin sheet of fibrous tissue that can form over the macular area retina, and may result in loss visual acuity or metamorphopsia, due to superficial retinal folds. A vitrectomy surgery, current treatment procedure for this pathology, only performed after symptoms are present. However, sometimes patients do not present any vision improvements surgery. use computationa...
Purpose. To demonstrate the long-term effectiveness of vitrectomy for intermediate uveitis (IU) and to determine whether complete control of inflammation before vitrectomy is necessary. Methods. This retrospective study included 66 eyes of 66 patients with IU who underwent vitrectomy for vitreoretinal complications. Eyes were followed for at least 12 months after vitrectomy. The degree of infla...
PURPOSE The purpose of the study is to evaluate the effect of vitrectomy on secondary glaucoma and visual acuity outcomes in patients with retained lens fragments after phacoemulsification. METHODS A retrospective analysis of 126 patients who had vitrectomy for retained lens fragments after phacoemulsification during the 3-year period between January 1, 1993, and December 31, 1995. RESULTS ...
The management of Candida albicans endophthalmitis in intravenous drug abusers (IVDAs) has yet to be established. Early vitrectomy was previously reported as a promising treatment for C. albicans endophthalmitis. In our series, C. albicans endophthalmitis was diagnosed for 15 IVDAs. Funduscopic examinations confirmed severe vitritis in 12 patients and chorioretinitis in three. Blood and vitreal...
PURPOSE To assess the trends in pars plana vitrectomy surgery rates and factors affecting rate change between 2002 and 2013 in South Korea. METHODS Data from National Health Insurance Service-National Sample Cohort 2002-2013, which represents 1,025,340 samples with a sampling rate of 2.2% from the total eligible Korean population, was analyzed. RESULTS A total of 3,816 vitrectomy procedures...
PURPOSE Scleral buckling is currently used in addition to vitrectomy for the treatment of pseudophakic retinal detachment (PRD) to better support the vitreous base and better visualisation of the periphery. AIMS The aims of this study are to evaluate (1) whether the combination of 20 G vitrectomy and scleral buckling is superior to 20 G vitrectomy alone (control) (confirmatory), and (2) wheth...
PURPOSE To assess the incidence rate of endophthalmitis after 25-gauge pars plana vitrectomy and to compare it with the endophthalmitis rate after 20-gauge pars plana vitrectomy. DESIGN Retrospective, interventional, comparative cohort study. PARTICIPANTS Eight thousand six hundred one consecutive pars plana vitrectomy surgery patients. METHODS Surgeries performed at a single institution ...
A low-cost automated vitrectomy machine was developed locally by the Department of Medical Physics and Engineering at Edinburgh University. The machine uses disposable handpieces, and has proved to be user-friendly, reliable, and efficient for anterior segment vitrectomy and, for selected patients, for posterior segment vitrectomy. The construction and mechanics of the machine are described. Si...
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