Nur Acar

Dunyagoz Group · Vitreoretinal diseases and surgery

PURPOSE: To study the practice patterns for the management of acute postoperative and postinjection endophthalmitis. DESIGN: Retrospective, interventional, nonrandomized, multicenter study. PARTICIPANTS: Data on 237 eyes diagnosed with acute endophthalmitis occurring after intraocular surgery or procedures provided by 57 retina specialists from 2...

Purpose: To compare the efficacy of 5-fluorouracil (5-FU) added the infusion fluid with a control group in the event of grade C PVR in recurrent retinal detachment (RD). Methods: The records of the patients with recurrent retinal detachment with grade C PVR who underwent vitrectomy for retinal detachment surgery between April 2003 and October 20...

Background Our purpose was to demonstrate if measuring lens autofluorescence (AF) with a scanning confocal biomicroscope may be used to identify subjects with undiagnosed type II diabetes mellitus (DM), and hence, for it to be used as a marker for the severity of diabetic retinopathy in diabetic patients. Patients and methods In this cross-section...

Aim: To investigate the effect of pomegranate juice (PJ) intake on overall oxidation status in retinas of diabetic rats. Methods: Twenty-seven rats were divided into four groups as control (CO), diabetic (DM), control treated with PJ (CO-PJ), and diabetic treated with PJ (DM-PJ).The retina tissues were used to determine 8-hydroxy-2'-deoxyguanosi...

Appropriate surgical technique is the most important factor for the anatomical success in the management of retinal detachment (RD) with PVR. Retinectomies are frequently required in detached eyes complicated by severe PVR. Knowing when and how to perform a retinectomy is necessary for a vitreoretinal surgeon and this talk will cover important step...

OBJECTIVE: To study the outcome of the treatment of complex rhegmatogenous retinal detachments (RRDs).

Proliferative vitreoretinopathy (PVR) is a wound healing process, which is characterized by membrane formation on both surfaces of the retina and in the vitreus as a result of migration and proliferation of cells in these areas. Contraction of formed membranes causes traction retinal detachment (RD) in the first stage, which in time may result in r...

Abstract OBJECTIVE: To study success and failure in the treatment of uncomplicated rhegmatogenous retinal detachments (RRDs). DESIGN: Nonrandomized, multicenter retrospective study. PARTICIPANTS: One hundred seventy-six surgeons from 48 countries spanning 5 continents provided information on the primary procedures for 7678 cases of RRDs includin...

Antiphospholipid syndrome (APS) is an autoimmune disorder characterized by vascular thrombosis or pregnancy morbidity. Ocular involvement in APS includes a broad spectrum of manifestations involving anterior and posterior segment or the presence of neuroophthalmologic features. Nonarteritic anterior ischemic optic neuropathy (NAION) is a very rare...

A 52-year-old woman presented with diminishing vision who had been followed-up with the diagnosis of macular hole by another clinic. Best corrected visual acuity (BCVA) was 20/800 and 20/100, in the right and left eye, respectively. Fundus examination in both eyes revealed macular hole-like image and gray refection in the fovea. Internal limiting m...

To evaluate the outcome of photodynamic therapy (PDT) and the factors influencing its outcome in patients with subfoveal choroidal neovascularization (CNV) due to pathologic myopia. Twenty-three eyes of 21 consecutive patients who received PDT for subfoveal CNV due to pathologic myopia and who were followed for >12 months were included in the study...

Aim: In recent years, since new improvements in vitreoretinal surgery happened, anatomical and functional success rates in penetrating eye injuries have been increased. In this study, our aim was to present our pars plana vitrectomy (PPV) results in penetrating eye injuries. Material and Method: Fifty-one eyes of 51 patients having penetrating eye...

To compare endophthalmitis rates after 20-gauge versus 23-gauge versus 25-gauge pars plana vitrectomy (PPV) in 2007-2008, and compare the rates with those of 2005-2006. Multicenter study including all patients who developed endophthalmitis following PPV performed by any of the authors during 2005-2008, and all patients who developed endophthalmitis...

Von Hippel-Lindau (VHL) disease is an inherited multisystem cancer syndrome caused by mutations of the VHL gene on chromosome 3p25. The prevalence of disease ranges from 1/30.000-50.000. The neurological complications arising from cerebellar hemangioblastomas or metastatic renal cell carcinomas are the most common cause of death in VHL patients. Th...

To evaluate the anatomical and functional outcomes of pars plana vitrectomy (PPV) in pseudophakic retinal detachment (RD) complicated with proliferative vitreoretinopathy (PVR) without previous scleral buckling (SB) or vitrectomy, both with and without triamcinolone acetonide (TA) assistance. In this retrospective, interventional, comparative case...

Purpose: To evaluate the efficacy and results of photodynamic therapy (PDT) in the treatment of chronic central serous chorioretinopathy (CSC) which persists longer than six months. Material and Methods: Fifteen eyes of 14 patients with subfoveal fluid which persisted longer than 6 months were included in the study. Visual acuities and contrast sen...

The purpose of this study was to evaluate the safety and efficacy of iris claw intraocular lens implantation for correction of aphakia in vitrectomized eyes without capsular support. This was a prospective interventional case series. Twelve aphakic vitrectomized eyes without capsular support underwent iris claw intraocular lens implantation. The ma...

To evaluate the anatomic and functional outcomes of 25-gauge sutureless vitrectomy in primary treatment of noncomplex retinal detachments (RD) in pseudophakic and phakic eyes. In this interventional clinical case series, 23 pseudophakic and 13 phakic eyes with total RDs with proliferative vitreoretinopathy grade A/B underwent primary 25-gauge sutur...

To evaluate the safety and outcomes of 25-gauge pars plana vitrectomy (PPV) in the treatment of postoperative endophthalmitis and compare it with 20-gauge PPV. The medical records of all patients diagnosed with acute endophthalmitis following cataract surgery who underwent PPV between December 2000 and December 2007 were reviewed. Main outcome meas...

To determine the prognostic indicators of functional outcome in eyes with severe posterior segment trauma managed with pars plana vitrectomy. One hundred and six eyes of 101 patients were retrospectively reviewed to determine the accuracy of a number of factors in predicting functional outcome after surgery. These potential prognostic indicators in...

Purpose: To compare anatomical and functional outcomes of 25 gauge sutureless pars plana vitrectomy (PPV) and 20 gauge PPV in eyes with diabetic vitreous hemorrhage (VH). Materials and Methods: IIn this interventional case series 15 eyes (Group 1) underwent 20-gauge PPV, and 29 eyes (Group 2) underwent 25 gauge sutureless PPV with oblique sclerotom...

Purpose: To evaluate the anatomical and functional outcomes of combined 25 gauge and 20 gauge pars plana vitrectomy (PPV) in the treatment of a variety of vitreoretinal diseases. Materials and Methods: In this retrospective interventional case series combined 25 gauge and 20 gauge PPV was performed in 41 eyes. In the combined technique, two 25 g su...

To determine the value of calculating an ocular trauma score (OTS) for patients with open-globe injuries. OTS evaluating system can provide valuable prognostic information, and its use may be an asset in counseling patients with open-globe injuries. This study was conducted as a retrospective review of 114 eyes of 114 patients who presented with op...

Purpose: To evaluate the clinical features, surgical methods and results of surgery in retinal detachments (RD) developing after refractive lens excange (RLE) and phacic intraocular lens (PİL) implantation in highly myopic eyes. Materials and Methods: Nine eyes of 7 patients who had rhegmatogenous retinal detachment after RLE and PİL implantation f...

To evaluate the success of initial treatment and the factors influencing the outcome in acute-onset endophthalmitis after cataract surgery. We retrospectively reviewed the medical records of all patients with acute postoperative endophthalmitis between 2000 and 2007. We performed pars plana vitrectomy (PPV) to all eyes with initial visual acuity of...

Purpose: To report a case with type I osteogenesis imperfecta (OI) with intravitreal opacities who underwent 25-gauge sutureless vitrectomy. Methods: A 2.5-year-old girl with OI type I who presented with intravitreal opacities underwent 25-gauge sutureless vitrectomy. Results: The 25-gauge sutureless vitrectomy system, which is less traumatic,...

Purpose:: To describe removal of large subretinal foreign bodies with bimanual pars plana vitrectomy and use of a suture loop. Methods:: In a retrospective interventional case series, 2 eyes of 2 patients referred 1 month after primary wound suturation, both with posttraumatic retinal detachment and 1 with endophthalmitis, underwent pars plana v...

To evaluate the anatomic and functional outcomes of 25-gauge sutureless vitrectomy in primary treatment of noncomplex pseudophakic rhegmatogenous retinal detachments (RRD). Prospective interventional institutional case series. Twenty-two eyes with pseudophakic RRD with proliferative vitreoretinopathy grade A or B underwent primary 25-gauge vitrecto...

The purpose of this article was to evaluate the outcomes and complications of transconjunctival sutureless 25-gauge vitrectomy using silicone oil tamponade in diabetic tractional retinal detachment. Patients were retrospectively evaluated. Main outcome measure was the feasibility of pars plana vitrectomy and silicone oil injection with 25-gauge sys...

To analyse the predictive value of ocular trauma score (OTS) in open-globe injuries in children. Thirty open-globe injuries in children 16 years or younger treated at our facilities were included. OTS variables (visual acuity, rupture, endophthalmitis, perforating injury, retinal detachment and afferent pupillary defect) were determined at the init...

To evaluate the rate, duration, and associated complications of postoperative hypotony after 25-gauge sutureless vitrectomy. In a retrospective, interventional, institutional case series, 25-gauge sutureless vitrectomy with straight incisions was performed on 111 eyes. Postoperative intraocular pressure (IOP) was measured routinely at 2 hours, 1 da...

To evaluate the efficacy of primary and secondary (following grid laser photocoagulation) intravitreal triamcinolone acetonide (IVTA) injection for the treatment of macular edema associated with branch retinal vein occlusion (BRVO). Eyes with macular edema secondary to BRVO and best-corrected visual acuity (BCVA) worse than 20/40 were included. Eye...

To report the outcome of a new sutureless technique for passive removal of silicone oil with a 25-gauge system. Between January 2005 and February 2006, 32 patients (32 eyes) underwent passive silicone oil removal with a 25-gauge system in a prospective, interventional case series in our hospital. Main data recorded were visual acuity, intraocular p...

To compare the rates of endophthalmitis after 20-gauge versus 25-gauge pars plana vitrectomy (PPV) and to investigate clinical features of, and visual acuity outcomes, for patients with endophthalmitis after PPV. A computerized database search was performed at each author's institution to identify all patients who underwent PPV by any of the author...

To report a case with acute endophthalmitis as a postoperative complication of 25-gauge transconjunctival sutureless vitrectomy. A 65-year-old gentleman, who underwent 25-gauge sutureless vitrectomy for an idiopathic epiretinal membrane at Beyoğlu Eye Research and Training Hospital, presented with painful loss of vision three days later. For the tr...

To report a new and simple technique for silicone oil removal from pars plana with 25-gauge (G) transconjunctival sutureless vitrectomy system (TSVS). In this prospective, interventional clinical trial, 13 eyes underwent silicone oil (1000 centistokes) removal from pars plana passively, with 25-G TSVS, between January and May 2005. Main outcome mea...

The Toxocara organism may cause direct injury to the eye, but most commonly, host inflammatory reactions are responsible for the resulting compromise. The inflammatory response created by the ocular involvement may result in epiretinal membrane formation, tractional or combined tractional-rhegmatogenous retinal detachment. The treatment of choice i...

To report a case of delayed-onset Streptococcus pyogenes endophthalmitis following implantation of an Ahmed glaucoma valve. A 10-year-old patient presented with acute endophthalmitis 1 year after Ahmed glaucoma valve implantation. The conjunctiva and Tenon's capsule over the valve plate had been penetrated by one of the polypropylene fixation sutur...

Z Amaç: Travmatik lens dislokasyonu ya da subluksasyonu olup vitreoretinal cerrahi (VRC) uygulanan olgulardaki fonksiyonel ve anatomik baþarýyý incelemek. Gereç v ve Y Yöntem: Travmatik lens dislokasyonu ya da subluksasyonu (en az 270° zonül diyalizi) olan ve pars plana vitrektomi (PPV) ve pars plana lensektomi (PPL) uygulanýp en az 6 ay takip edil...

Aim: To investigate visual and anatomical results in patients undergone pars plana vitrectomy for diabetic tractional macular detachment and factors on final success rate. Methods: 15 eyes of 15 patients who undergone pars plana vitrectomy for diabetic tractional macular detachment in 2001 and 2002 were enrolled into the study. Mean age was 53.3±13...

Eosinophil cationic protein (ECP) levels in tear fluid and sera of patients with seasonal allergic conjunctivitis (SAC) were measured to assess local and systemic eosinophilic activity in SAC. The correlation between ECP levels and disease activity was evaluated. Tears and sera were collected from 21 patients with SAC and 13 healthy control subject...

Background/purpose: Eosinophil cationic protein (ECP) levels in tear fluid and sera of patients with seasonal allergic conjunctivitis (SAC) were measured to assess local and systemic eosinophilic activity in SAC. The correlation between ECP levels and disease activity was evaluated. Methods: Tears and sera were collected from 21 patients with SA...

To evaluate the safety and effectiveness of high dose intravenous steroid therapy (HDIST) in Behçet's disease patients with severe posterior segment uveitis attacks. Five patients with ocular Behçet's disease were treated with HDIST for severe posterior segment attacks. Two patients had vasculitis, one patient had papillitis, and the other two had...

Purpose: To evaluate the efficacy of radial optic neurotomy (RON) with or without intravitreal triamcinolone in improving visual acuity in central retinal vein occlusion (CRVO). Materials and Methods: We performed vitrectomy and RON to 16 eyes of 16 patients with CRVO with a best corrected visual acuity (BCVA) of 20/200 or less. Eight of them re-ce...