نتایج جستجو برای: filtering bleb
تعداد نتایج: 67136 فیلتر نتایج به سال:
PURPOSE Pharmacologic modulation of wound healing after glaucoma filtering surgery remains a major clinical challenge in ophthalmology. Poly(ortho ester) (POE) is a bioerodible and biocompatible viscous polymer potentially useful as a sustained drug delivery system that allows the frequency of intraocular injections to be reduced. The purpose of this study was to determine the efficacy of POE c...
Anti-vascular endothelial growth factor (anti-VEGF) therapy used as adjunctive to glaucoma filtration surgery may help filtering bleb survival because vascular endothelial growth factor has an important role in the angiogenesis of new vessels and in the fibrogenesis, which lead to scar formation and bleb failure. Bevacizumab is a non-selective monoclonal antibody against all isoforms of VEGF-A....
BACKGROUND We investigated the outcome of 23-gauge transconjunctival pars plana vitrectomy (23G PPV) for the treatment of vitreoretinal disorder in patients with prior trabeculectomy. METHODS We retrospectively reviewed medical records of 23G PPV in 11 eyes that had functioning filtering blebs after trabeculectomy. The main outcome measures were the visual acuity, intraocular pressure (IOP) a...
Globe luxation is a painful and potentially vision-threatening condition in which the globe becomes trapped behind the eyelids requiring physician intervention in the emergency department or eye clinic. On presentation, the patient typically complains of an inability to close their eye, severe foreign body sensation, decreased vision, and significant eye pain. Although most visual symptoms are ...
The success rate of glaucoma filtration surgery is closely related to conjunctival inflammation, and the main mechanism of dry eye disease (DED) is inflammation. The aim of this study was to evaluate the effect of DED on bleb scar formation after rabbit glaucoma filtration surgery. Sixteen New Zealand white rabbits were randomly divided into control and DED groups. A DED model was induced by tw...
PURPOSE To devise a means of providing controlled resistance between the anterior chamber and the subconjunctival space after trabeculectomy by implantation of a biodegradable, porous collagen matrix. METHODS Matrices were implanted in the right eyes of 17 rabbits after trabeculectomy, while left eyes served as surgical controls. The scleral flap was sutured loosely, and the implant provided ...
AIM Biodegradable collagen glycosaminoglycan matrices (CGM) have been introduced to glaucoma filtration surgery in order to prevent scarring of the filtering bleb. In this retrospective case series, we describe a new surgical concept for treating symptomatic ocular hypotony following filtration surgery with mitomycin C by a secondary subconjunctival implantation of a CGM. METHODS Depending on...
A 65-year-old diabetic and hypertensive male presented with a sudden diminution of vision after sustaining a trivial fingernail injury to his only good-seeing (right) eye. The patient underwent phacotrabeculectomy with posterior chamber intraocular lens (PCIOL) implantation 22 years previously. In his right eye visual acuity at presentation was counting fingers at 1.5 m with an accurate project...
PURPOSE We investigated the efficacy of miR-29b in inhibiting scar formation in rabbits who undergo glaucoma filtering surgery (GFS). METHODS Trabeculectomy was performed on 60 rabbits diagnosed with glaucoma. The rabbits were divided into 5 groups: a blank group, single surgery group, positive control group that was treated with intraoperative mitomycin C (MMC), negative control group that w...
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