نتایج جستجو برای: posterior vitreous detachment
تعداد نتایج: 131071 فیلتر نتایج به سال:
PURPOSE To determine the safety of pars plana vitrectomy in eyes containing a treated posterior uveal melanoma. DESIGN Interventional case series. METHODS Retrospective case series of patients with posterior uveal melanoma who underwent pars plana vitrectomy. Complications, vitreous cytology, local tumor control, and metastasis were assessed. RESULTS Nine patients met study criteria. Tumo...
To describe a case of circumscribed choroidal hemangioma with extensive retinal detachment treated with vitrectomy and endolaser photocoagulation. Interventional case report. A 41-year-old female patient was examined with a 7-day history of blurred vision and progression of visual loss in the right eye in the last 2 days. Ophthalmologic examination showed 20/400 visual acuity in the right eye a...
BACKGROUND To evaluate the surgical results of patients with persistent fetal vasculature (PFV), also known as persistent hyperplastic primary vitreous (PHPV). METHODS From 1991 to 2001, a retrospective, noncomparative study of 7 eyes of 7 patients diagnosed with PFV was conducted. In each case, type of anterior and/or posterior PHPV findings, preoperative testing, surgical procedures, and vi...
OBJECTIVE To visualize the posterior portion of eye globe in dense cataract patients with B scan ultrasound, and to find out any posterior segment lesion in such pre-operative cases. METHODS We performed diagnostic B-scan ultrasound on 750 cataract patients before surgery. This was a prospective diagnostic study which was conducted in the Department of Opthalmology, Liaquat University Eye Hos...
purpose: to evaluate the outcomes of vitrectomy for complications of branch retinal vein occlusion (brvo). methods: this retrospective study, included patients who underwent vitrectomy surgery due to the complications of brvo over an 11-year period. visual acuity and retinal condition were evaluated before and after surgery. results: the study included 30 eyes of 30 patients with mean age of 64...
BACKGROUND Triamcinolone acetonide (TA) is commonly used in vitreous surgery to visualize the posterior hyaloid and internal limiting membrane. Some TA can accumulate in the macular hole during surgery which can persist postoperatively. CASE A 17-year-old boy underwent successful macular hole surgery with TA-assisted induction of posterior vitreous detachment. Sub-foveal deposit of TA was obs...
propose: to evaluate the specifity and sensitivity of ocular sonography in the diagnosis of retinal detachment in the presence of vitreous hemorrhage. methods: this cross-sectional study included 47 (23 right eyes and 24 left eyes) eyes of 47 patients (18 male and 29 female subjects) with vitreous hemorrhage suspected of retinal detachment requiring surgery. preoperative ocular sonography was c...
Purpose. The pathogenesis of rhegmatogenous retinal detachment (RRD) remains incompletely understood, with no clinically effective treatment for potentially severe complications such as photoreceptor cell death and proliferative vitreoretinopathy. Here we investigate the protein profile of the vitreous following experimental retinal detachment using a comparative proteomic based approach. Mater...
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