نتایج جستجو برای: vitreous loss
تعداد نتایج: 452233 فیلتر نتایج به سال:
Partially liquefied vitreous humor is a common physical and biochemical degenerative change in vitreous body which the liquid component gets separated from collagen fiber network and leads to form a region of liquefaction. The main objective of this research is to investigate how the oscillatory motions influence flow dynamics of partial vitreous liquefaction (PVL). So far computational fluid d...
Aim: This study is to investigate the clinical outcomes of 23-gauge Pars Plana Vitrectomy (23G PPV) for the management of Posterior Capsule Rupture (PCR) with vitreous loss in phacoemulsification
BACKGROUND Idiopathic polypoidal choroidal vasculopathy is an abnormal choroidal vascular pathology similar to age-related macular degeneration. It may present with sudden visual loss from hemorrhagic retinal pigment epithelial detachment and breakthrough vitreous hemorrhage or with chronic recurrent episodes. The condition is not uncommon in the retina clinic at the University College Hospital...
Eales disease is clinically manifested by retinal phlebitis, the onset of ischemia and retinal vessels neo area is often revealed by vitreous hemorrhage. Its etiology remains unknown. The management of this disease depends on the clinical presentation. Our patient was 27 years old, consults for a progressive loss of visual acuity unilateral in her left eye. On fundus exam at the emergency depar...
PURPOSE To present a rare presentation of optic nerve glioma (ONG) with total intraocular extension. METHODS A 44-year-old man with a history of loss of vision since childhood and recent development of progressive disfiguring proptosis was referred. RESULTS The vision in the affected eye was no light perception, and a proptosis of about 2-3 mm was present. Computed tomography and Magnetic R...
A correct diagnosis of uveitis is often challenging, given the wide range of possible underlying conditions and the lack of typical phenotypes. Management decisions may be difficult in view of the risk of visual loss with either inappropriate or delayed therapy. Analysis of the vitreous may therefore be used to provide the clinician with valuable information. In this paper, we describe the main...
We report a case of a patient with a highly hyperopic eye who underwent cataract surgery combined with vitreous surgery to create a posterior vitreous detachment (PVD) to prevent choroidal neovascularization (CNV). A 78-year-old man noticed a decrease in his vision due to a cataract in his right eye. The patient had a severe visual loss in his left eye because of a CNV 2 years after a cataract ...
PURPOSE Vitrectomy is associated with the rapid progression of nuclear cataracts. This study was conducted to test the hypothesis that age-related liquefaction of the vitreous gel may also be associated with lens opacification. METHODS Lenses from eye bank eyes were graded for nuclear, cortical, and posterior subcapsular opacities, and the amount of liquid vitreous was measured. RESULTS Nuc...
Vitreomacular traction (VMT) syndrome and macular hole (MH) are disease processes that are caused by anomalous separation of the vitreous from the macula. Until now, management of these conditions has involved vitreoretinal surgery. Clinical trials have shown that a single intravitreal microplasmin (ocriplasmin) injection can induce separation of the vitreous from the macular surface and thereb...
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