نتایج جستجو برای: detachment rate
تعداد نتایج: 973271 فیلتر نتایج به سال:
BACKGROUND we conducted our meta-analysis of published studies to assess existing evidence about the efficacy and safety of vitrectomy with ILM peeling vs. that of vitrectomy with no ILM peeling for Macular hole-induced retinal detachment. METHODS Databases, including Pubmed, Cochrane Library, Ovid, Web of Science, Wanfang and CNKI, were searched to identify studies comparing outcomes followi...
Aim of Study: To assess the preoperative risk factors implicated in increasing the risk of surgical failure in primary retinal detachment surgery using the 23-G vitrectomy platform. Methods: Eighty eyes suffering from primary rhegmatogenous retinal detachment were treated with 23-gauge transconjunctival vitrectomy. A comprehensive ophthalmological examination including the duration of the detac...
CONTEXT Fluoroquinolones are commonly prescribed classes of antibiotics. Despite numerous case reports of ocular toxicity, a pharmacoepidemiological study of their ocular safety, particularly retinal detachment, has not been performed. OBJECTIVE To examine the association between use of oral fluoroquinolones and the risk of developing a retinal detachment. DESIGN, SETTING, AND PATIENTS Nest...
BACKGROUND/AIM Our purpose was to investigate the anatomic success of scleral buckling surgery for rhegmatogenous retinal detachment. MATERIAL AND METHODS A total of 524 consecutive patients were retrospectively analysed. Several parameters including the lens status, number of breaks and extent of retinal detachment, preoperative proliferative vitreoretinopathy and refractive errors were exam...
We investigate the mechanisms of histone sliding and detachment with a stochastic model that couples thermally induced, passive histone sliding with active motor-driven histone unwrapping. Analysis of a passive loop or twist defect-mediated histone sliding mechanism shows that diffusional sliding is enhanced as larger portions of the DNA is peeled off the histone. The mean times to histone deta...
Cataract surgery is the most frequent surgical intervention, with approximately 700,000 operations per year in Germany alone. One of the most serious complications is retinal detachment, with a reported incidence rate of pseudophakic retinal detachment of 0.75-1.65%. We report the case of a patient who suffered from a simultaneous bilateral pseudophakic retinal detachment. Interestingly, the bi...
Actinomycin D, cycloheximide, puromycin and ouabain facilitated the detachment of Ehrlich ascites tumour cells from glass surfaces. The results suggest that the altered detachment pattern is due to impaired synthesis of constituents of the cell periphery, which results in a decrease in its mechanical strength. These reagents have been shown by others to reduce the rate of cell aggregation in va...
A 4x4 factorial experiment with a completely randomized design with three replications was conducted separately on two major pistachio varieties, Ohady and Kaleghoochy, to investigate the effects of shaking amplitude and frequency on pistachio nut and cluster detachment. Four levels of shaking frequencies used for Ohady were 5, 7.5, 10 and 12.5 Hz, while those of Kaleghoochy were 7.5, 10, 12.5 ...
Buckle folds are common traps for hydrocarbon in several contractional provinces. Buckle folds form where stratified sequences rest a top salt or some other utterly weak rock as a decollemet zone in units with high competency contrasts by a compressive stress which acted along the length of the rock layers. An important parameter affecting buckle folding of a competent zone above a mobile decol...
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