نتایج جستجو برای: posterior vitreous detachment pvd
تعداد نتایج: 132674 فیلتر نتایج به سال:
OBJECTIVE To validate the conclusion of our previous prospective study of 250 patients with isolated posterior vitreous detachment: follow-up visits are only necessary if patients mention symptoms of flashes in combination with multiple floaters or a curtain or cloud at the initial examination, or an increase in number of floaters after the initial examination. METHODS Prospective study of 27...
PURPOSE To evaluate vitreomacular relations in different stages of age-related macular degeneration (AMD) without the influence of genetics and environmental factors. DESIGN Retrospective, observational case series. METHODS This was a multicenter study consisting of 29 previously untreated subjects with active exudative (wet) AMD in one eye and active nonexudative (dry) AMD in the fellow ey...
PURPOSE To evaluate the incidence and characteristics of iatrogenic retinal breaks in 20-gauge macular surgery with an intensified search strategy. DESIGN Retrospective, non-comparative interventional case series. PARTICIPANTS 218 consecutive operations in 209 patients who underwent 20-gauge vitrectomy vitrectomy for idiopathic macular pucker or idiopathic macular hole. METHODS Retrospect...
PURPOSE Microplasmin is a recombinant protein limited to the enzymatic moiety of plasmin without any of its cringle domains. Its enzymatic activity is similar to that of plasmin enzyme. The present study characterizes in a porcine eye model the vitreolytic ability of microplasmin. METHOD Freshly harvested porcine eyes were used in these trials. Eyes were injected with escalating doses of micr...
OBJECTIVE Despite tremendous progress in vitreoretinal surgery, certain postsurgical complications limit the success in the treatment of proliferative vitreoretinal diseases (PVDs), such as proliferative diabetic retinopathy (PDR) and proliferative vitreoretinopathy (PVR). One of the most significant complications is the cicatricial contraction of proliferative membranes, resulting in tractiona...
INTRODUCTION The purpose of this report is to describe a case of macular hole development after vitrectomy for floaters with induction of posterior vitreous detachment. CASE REPORT A 44-year-old otherwise healthy man presented with visually debilitating floaters in his right eye; these had been present for more than 2 years. Preoperative examination was unremarkable in both eyes, apart from s...
BACKGROUND To define the main clinical mechanisms involved in the pathogenesis of macular holes (MH) in patients affected by Retinitis Pigmentosa (RP). METHODS 236 RP subjects were enrolled in this study and ophthalmologically examined according to a standard FIARP (Italian Federation of the RP Associations) protocol. The prevalence of posterior vitreous detachment (PVD) as well as all types ...
Diabetic macular edema (DME) is a significant cause of blindness in the working population and is currently challenging to treat. Current interventions include focal laser or intravitreal injections. This article outlines a new treatment protocol based on the theory that peripheral ischemia is the precursor to angiogenesis, which will ultimately gather its momentum at the fovea. Extreme periphe...
OBJECTIVE To identify symptoms in patients with isolated posterior vitreous detachment predictive for the later development of retinal breaks. METHODS Two hundred eighty consecutive patients seen with symptoms of posterior vitreous detachment were prospectively asked to complete a questionnaire detailing their symptoms. At the time of presentation and follow-up, all patients had a full ophtha...
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