نتایج جستجو برای: incidence of vitreous loss
تعداد نتایج: 21196740 فیلتر نتایج به سال:
PURPOSE To describe epidemiologic and clinical findings of open-globe trauma (OGT) in the southeast area of Spain. METHODS A retrospective descriptive study of 94 eyes with OGT evaluated between 1999 and 2007, in a primary referral hospital. RESULTS The incidence of OGT in our area was 6.76 per 100,000 inhabitants/year. The majority of patients were male (89%) and young (80% of patients < 5...
Introduction: Retinal detachment results in visual loss and requires surgical treatment. The shear stress induced during eye movement by the vitreous on the retina can damage the retina. The following filling of the subretinal space with liquefied vitreous induce the detachment of the retina. Changes in the vitreous viscoelasticity impact on the shear stress. Up to now, the viscoelasticity of t...
Cataract surgery, meaning exchange of the opaque lens in the eye with an artificial lens, is nowadays one of the most successful surgical procedures ever known. It is also the most frequent surgery performed in the Western world. In Sweden alone, more than 100,000 cataract operations are performed annually. Severe complications are rare, occurring only in a few percent of the patients, but owin...
Recent studies have evaluated many methods of reducing vitreous mass and minimizing vitreous loss at lens extraction (Robbins and Galin, I969; Robbins, Blumenthal, and Galin, I970; Galin, Robbins, and Obstbaum, 1970). In the rabbit, it is clear that hyperosmolar solutions are effective, while digital massage is not (Obstbaum, Robbins, Best, and Galin, 1970). It has been accepted that correctly-...
a novel ultra wideband microstrip bandpass filter using radial stub loaded resonator and interdigital coupled lines is presented in this paper. the radial stub loaded resonator and decagonal patch form a resonator named m to create tuneable multiple notches in the passband for suppression wlan interference. to realize sharp roll-off, two adjustable transmission nulls are located at the lower an...
Macular hole (MA) is a significant cause of visual acuity (VA) loss in patients over 50 years in our environment. The traction by the vitreous, particularly the posterior hyaloids, on the retina surface plays a leading role in the etiopathogeny of MA. The collagen fibers that comprise the posterior vitreous are firmly joined to the macula and connecting to the internal limiting membrane by mean...
BACKGROUND The high incidence of retinal detachment and its poor surgical prognosis in patients with Stickler syndrome are well known. However, the vitreoretinal relation to retinal detachment in this syndrome is uncertain. METHODS Vitreoretinal examination with a binocular indirect ophthalmoscope and a Goldmann three mirror contact lens was performed on identical twin boys with Stickler synd...
with or traumatised, the better the results. WVe aim at simplicity and rapidity in our methods, which have been evolved to deal with a large number of patients in a short space of time. No patient with clinically clean eyes has any smear, culture, or other pre-operative investigation, and all are submitted to operation on the day of admission. In this series we had no case of primary sepsis, an...
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