نتایج جستجو برای: anterior chamber angle
تعداد نتایج: 285303 فیلتر نتایج به سال:
A 54-year-old woman with an epiretinal membrane in her left eye accompanied by a shallow anterior chamber due to primary angle closure glaucoma underwent vitrectomy and cataract surgery. During the cataract surgery, immediately after the ultrasonic tip had been removed from the anterior chamber, anterior chamber flattening occurred. An intraoperative fundus examination showed the development of...
PURPOSE To compare anterior chamber angle measurements obtained from two anterior segment optical coherence tomography (OCT) instruments and to evaluate their agreements and interobserver reproducibility. METHODS Forty-nine eyes from 49 healthy normal subjects were studied. The anterior chamber angle was imaged with the Visante anterior segment OCT (Carl Zeiss Meditec, Dublin, CA) and the sli...
SURGICAL TECHNIQUE The bubble mirror technique consists of the stabilization of the anterior chamber by means of a plug made with a combination of conveniently placed air and viscoelastic material. A line arises at interface between the air and viscoelastic where the anterior chamber angle reflected can be seen as in a mirror (bubble mirror). DISCUSSION The viscoelastic-air plug offers three ...
PURPOSE To establish the efficacy and safety of intravitreal bevacizumab in reducing iris and anterior chamber angle neovascularization and managing neovascular glaucoma. DESIGN Prospective interventional case series. PATIENT AND METHODS Eleven eyes of 11 patients with iris and anterior chamber angle neovascularization with refractory intraocular pressure were treated with intravitreal inje...
Neovascular glaucoma (NVG) is a severe form of glaucoma with devastating visual outcome attributed to new blood vessels obstructing aqueous humor outflow, usually secondary to widespread posterior segment ischemia. Invasion of the anterior chamber by a fibrovascular membrane initially obstructs aqueous outflow in an open-angle fashion and later contracts to produce secondary synechial angle-clo...
A small series of patients who underwent iridocycloretraction between 1969 and 1976 is analysed. All patients had previously undergone peripheral iridectomy for primary angle-closure glaucoma, and all had 360 degrees of peripheral anterior synechiae, as seen with the gonioscope. It was found that iridocycloretraction was successful in an unacceptably low percentage of cases, and its success was...
Repeated, circumferential argon laser photocoagulation of the trabecular meshwork area of the anterior chamber angle of normal Rhesus monkeys causes a sustained elevation of the intraocular pressure and marked reduction of the outflow facility. During the observation period of this study, cupping of the optic nervehead developed. Preliminary histopathologic examination revealed localized scarri...
BACKGROUND First reported study to assess the effect of diurnal variation on anterior chamber angle measurements, as well as, to re-test the effects of lighting and angle-of-incidence variation on anterior chamber angle (ACA) measurements acquired by time-domain anterior segment optical coherence tomography (AS-OCT). METHODS A total of 30 eyes from 15 healthy, normal subjects underwent anteri...
Shallowness of the anterior chamber received special attention after the demonstration by von Graefe (1857) that iridectomy could cure acute glaucoma. Bowman (I862) referred to the care required in performing iridectomies on eyes with shallow anterior chambers. Over many years, and by careful dissections of cadaver and enucleated eyes, Priestley Smith (I89I) concluded that the shallow anterior ...
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