نتایج جستجو برای: ahmed valve

تعداد نتایج: 110642  

Journal: :BMC ophthalmology 2016
Min Tang Yang Fu Ying Wang Zhi Zheng Ying Fan Xiaodong Sun Xun Xu

BACKGROUND Neovascular glaucoma is a refractive glaucoma. Recently, anti-VEGF factors have been used alone or in combination for the treatment of neovascular glaucoma. However, the medium- and long-term efficacy of such drugs remains to be evaluated. This study was to determine the efficacy of intravitreal ranibizumab combined with Ahmed glaucoma valve implantation for the treatment of neovascu...

2015
Girum W Gessesse

BACKGROUND The management of refractory glaucoma is a challenging task for any glaucoma surgeon. This study is aimed to evaluate the efficacy of Ahmed Glaucoma Valve implantation in refractory glaucomas in South-West Ethiopia. METHODS A retrospective review was conducted on the charts of consecutive patients treated with Ahmed glaucoma valve implantation at Jimma University Specialized Hospit...

Journal: :International Medical Case Reports Journal 2016

2015
Javier Moreno-Montañés Alvaro Velázquez-Villoria Alfonso L. Sabater Angel Salinas-Alamán

BACKGROUND To describe management of a case of intraocular lens (IOL) and capsular bag (CB) dislocation in an eye with an Ahmed glaucoma valve in the posterior chamber. CASE PRESENTATION A 75-year-old pseudophakic man with open-angle glaucoma and diabetic retinopathy developed neovascular glaucoma. After two intravitreous injections of bevacizumab and panretinal photocoagulation were administ...

Journal: :European journal of ophthalmology 2008
N Nassiri N Nassiri S Sadeghi Yarandi B Mohammadi L Rahmani

PURPOSE To report on the efficacy and safety of combined phacoemulsification and an Ahmed valve glaucoma drainage implant with respect to visual acuity improvement, intraocular pressure (IOP) control, and requirement for antiglaucoma medication. METHODS A retrospective chart review was conducted of 41 eyes (31 patients) with coexisting visually significant cataracts and uncontrolled glaucoma ...

2014
Hazem Helmy Mahmoud Leila

This work aimed to compare the effectiveness of Ahmed valve implant versus sub-scleral trabeculectomy with mitomycin C in patients with neovascular glaucoma pretreated with intra-vitreal ranibizumab and panretinal photocoagulation. Methods: prospective comparative non-randomized controlled study including patients with NVG pretreated with intra-vitreal ranibizumab and PRP then evenly distribute...

2012
Hoon Seok Jeong Dong Heun Nam Hae Jung Paik Dae Yeong Lee

PURPOSE To evaluate the efficacy and safety of a pars plana Ahmed valve implantation combined with 23-gauge sutureless vitrectomy in the treatment of patients with medically uncontrolled neovascular glaucoma (NVG) in proliferative diabetic retinopathy (PDR). METHODS The authors retrospectively reviewed the records of 11 consecutive patients with refractory NVG in PDR who underwent a 23-gauge ...

Journal: :Ophthalmic surgery, lasers & imaging : the official journal of the International Society for Imaging in the Eye 2007
Hooshang Faghihi Fedra Hajizadeh Seyed-Farzad Mohammadi Arezoo Kadkhoda Gholam A Peyman Mohammad Riazi-Esfahani

BACKGROUND AND OBJECTIVE To evaluate the efficacy and safety of the pars plana Ahmed glaucoma valve (New World Medical, Inc., Rancho Cucamonga, CA) implant combined with pars plana vitrectomy and panretinal photocoagulation for the management of neovascular glaucoma in patients with vitreous hemorrhage. PATIENTS AND METHODS The records of 18 eyes of 17 consecutive patients with neovascular gl...

2012
Pavlina S. Kemp Richard C. Allen Young H. Kwon

Past Ocular History  Congenital cataracts OU  Chronic angle closure glaucoma OS  Anophthalmos OD  Pseudophakia OS Ocular surgery OD  Needling of congenital cataract 1938  Enucleation 1954  Secondary orbital implant 4/2011 Ocular surgery OS  Needling of congenital cataract 1938  DSAEK/Phaco/Intraocular lens x 2/Anterior vitrectomy 2/2007  Ahmed valve Seton model FP-7 with scleral patch...

Journal: :journal of research in medical sciences 0
razieh khajeh-kazemi msc student of biostatistics, department of epidemiology and biostatistics, tehran university of medical sciences, tehran, iran. banafsheh golestan department of epidemiology and biostatistics, tehran university of medical sciences, tehran, iran. kazem mohammad department of epidemiology and biostatistics, tehran university of medical sciences, tehran, iran. mahmoud mahmoudi department of epidemiology and biostatistics, tehran university of medical sciences, tehran, iran. saharnaz nedjat department of epidemiology and biostatistics, tehran university of medical sciences, tehran, iran. mohammad pakravan ophthalmic research center, shaheed beheshti university of medical sciences, tehran, iran.

background: the celebrated generalized estimating equations (gee) approach is often used in longitudinal data analysis. while this method behaves robustly against misspecification of the working correlation structure, it has some limitations on efficacy of estimators, goodness-of-fit tests and model selection criteria. the quadratic inference functions (qif) is a new statistical methodology tha...

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