content top

Assessment of Angiographic Findings of Diabetic Patients Who Underwent PPV for ERM or Taut Posterior Hyaloid

Advantages: To analyse the angiographic findings of diabetic patients who underwent pars plana vitrectomy for epimacular membrane or taut posterior hyaloid (TPH). Methods: Patients were grouped according to the presence of taut posterior hyaloid or ERM. Preoperative and postoperative angiographic, optical coherence tomography and visual acuity findings were compared in between groups. Arm to retinal circulation, arteriovenous transit...

Read More

ILM Peeling with Brilliant Blue in Retinal Detachment with a Macuar Hole in a Highly Myopic Eye

Nur Acar, Ziya Kapran, Yaprak Banu Unver (Istanbul, Turkey) ILM peeling in retinal detachment with a macuar hole in a highly myopic eye is sometimes difficult. In this video ILM peeling with Brilliant Blue in retinal detachment with a macuar hole under heavy perflourocarbon fluid in a highly myopic eye is demonstrated. In highly myopic young eyes ILM may be very tightly adherent, and sometimes statining with triamcinolone acetonide is not...

Read More

Comparison of Postoperative Inflammation and Patient Discomfort Scores Following 20-Gauge, 23-Gauge, and 25-Gauge Pars Plana Vitrectomy in Eyes with Retinal Detachment

Nur Acar*, Yaprak Banu Unver, Leyla Hazar, Nihat Sayýn, Yasar Kucuksumer, Ziya Kapran (Istanbul, Turkey) Advantages: Being less invasive, 23-gauge, and 25-gauge transconjunctival pars plana vitrectomy (PPV) techniques may cause less postoperative inflammation and patient discomfort. In this prospective study the aim was to compare postoperative inflammation and patient discomfort scores in eyes that underwent 20-gauge, 23-gauge, and...

Read More

Primary 25-Gauge, 23-Gauge and 20-Gauge Vitrectomy in Rhegmatogenous Retinal Detachment

Nur Acar*, Ziya Kapran, Yaprak Banu Unver, Yasar Kucuksumer, Turgay Satýcý (Istanbul, Turkey) Advantages: Primary vitrectomy allows visualization of all retinal breaks and performing effective retinopexy while enabling removal of all vitro tractions and membranes. Less invasive PPV techniques like 25-gauge and 23-gauge transconjunctival PPV provide rapid postoperative rehabilitation, and comfort for the patient. Methods: In this...

Read More

Susac Syndrome with a Combined Traction and Rhegmatogenous Retinal Detachment and Vitreous Hemorrhage

Nur Acar*, Ziya Kapran, Yaprak Banu Unver, Leyla Hazar (Ankara, Turkey) Advantages: Susac Syndrome (SS) consists of the triad of encephalopathy, branch retinal artery occlusion, and hearing loss. It is an autoimmune endotheliopathy that primarily affects young women. Although it is a rare syndrome, it should remember in the differential diagnosis of visual impairment with accompanying neurological and auditory problems in young...

Read More

Pars Plana Vitrectomy with Temporary Keratoprosthesis and Combined Penetrating Keratoplasty

Ziya Kapran, Nur Acar, Yaprak Banu Unver (Istanbul, Turkey) In eyes with severe corneal opacity that precludes pars plana vitrectomy (PPV), temporary keratoprosthesis is a very useful tool in the OR.In this video PPV with using a temporary keratoprosthesis combined with a penetrating keratoplasty is. This technique allows vitrectomy in a closed system. With the help of this technique eyes can be operated timely, which may save eyes from...

Read More

Surgical Outcomes of Serous Macular Detachment Associated with Optic Disc Pit

Yaprak Banu Ünver*, Ziya Kapran, Nur Acar, Yapar Kucuksumer (Istanbul, Turkey) Advantages: To evaluate anatomic and functional outcomes of serous macular detachment associated with optic disc pit following vitrectomy and gas tamponade injection. Methods: Six patients with unilateral optic disc pit maculopathy were included in this study. Preoperatively median best-corrected visual acuity (BCVA) was 20/800 (20/125-20/1000). All patients...

Read More

Outcome of Vitreoretinal Surgery and Penetrating Keratoplasty Using Temporary Keratoprosthesis

Ziya Kapran*, Yaprak Banu Ünver, Nur Acar, Yapar Küçüksümer (Istanbul, Turkey) Advantages: To evaluate surgical outcomes using a temporary intraoperative keratoprosthesis (KP) in patients undergoing combined pars plana vitrectomy (PPV) and penetrating keratoplasty (PKP). Methods: We retrospectively reviewed chart of patients in whom a temporary keratoprosthesis was used between 2001and 2011. Only patients with more than 6 months...

Read More

Outcomes of Eyes with Post-traumatic Endophthalmitis in Open Globe Injuries

Yaprak Banu Ünver*, Ziya Kapran, Nur Acar, Yapar Kucuksumer (Istanbul, Turkey) Advantages: To analyze the microbiological characteristics, anatomical and visual outcomes of eyes with post-traumatic endophthalmitis Methods: Medical records were reviewed of 47 patients with post-traumatic endophthalmitis at a single institution between 2001 and 2011. Pars plana vitrectomy was performed in 34 (72,3%) cases as a first treatment. All eyes were...

Read More

Congress – Pars Plana Vitrectomy wth ILM Peeling in Macular Hole Surgery

SYMPOSIUM: VITREOMACULAR INTERFACE VISUALIZATION / SURGICAL APPROACH Moderators: Claudio Azzolini, Etienne Bovey Tuesday, June 21, 2005 Pars plana vitrectomy (PPV) with ILM peeling in maculer hole surgery Author: Yaprak Banu Ünver, MD, Nur Acar, MD, Ziya Kapran, MD, Mehmet Cakır, MD, Zerrin Bayraktar, MD, Tugrul Altan, MD, Eylem Y. Pınarcı, MD Abstract : In stage 2, 3 and 4 maculer holes, anatomical and functional success is...

Read More

Interactive Computer Programs Improve Vision Testing for Ocular Screening, Treatment Evaluation and Post Treatment Surveillance

http://www.evrs.eu/medias/2008/congress/Interactive-Computer-Programs-Improve-Vision-Testing-for-Ocular-Screening,-Treatment-Evaluation-and-Post-Treatment-Surveillance.flv Stephen H. Sinclair, Yaprak Banu Unver, Gulderen Aktan Yavuz Advantages: Ophthalmologists overall have limited themselves in understanding and treatment of ocular disease because of the limited methods of traditional vision measurement that are physician dependent....

Read More

Passive Removal of Silicone Oil with 25-gauge Transconjunctival Sutureless Vitrectomy Instruments

Ziya Kapran, MD (Istanbul, Turkey), Nur Acar, MD (Istanbul, Turkey), Yaprak Banu Unver, MD (Istanbul, Turkey), Tugrul Altan, MD (Istanbul, Turkey), Bulut Ocak, MD (Istanbul, Turkey) PURPOSE: To report a new and simple technique for passive silicone oil removal from pars plana with 25-gauge transconjunctival sutureless vitrectomy instrumentation. METHODS: In this prospective, interventional clinical trial, 48 eyes underwent silicone oil...

Read More

Silicone Oil Surgery With 25-gauge Transconjunctival Sutureless Vitrectomy: It is Not a Dream Anymore!

http://www.evrs.eu/medias/2006/videos/Silicone-Oil-Surgery-With-25-gauge-Transconjunctival-Sutureless-Vitrectomy:-It-is-Not-a-Dream-Anymore.flv Ziya Kapran, MD (Istanbul, Turkey), Nur Acar, MD (Istanbul, Turkey), Yaprak Banu Unver, (Istanbul, Turkey), Tugrul Altan, (Istanbul, Turkey), Bulut Ocak, (Istanbul, Turkey) SYNOPSIS Silicone oil removal and injection techniques with 25g TSV instruments are shown. In the passive technique, only 1000...

Read More

Three-port Bimanual 25-gauge Vitrectomy in Severe Diabetic Traction Retinal Detachment

Nur Acar, MD (Istanbul, Turkey), Ziya Kapran, MD (Istanbul, Turkey), Yaprak Banu Unver (Istanbul, Turkey), Tugrul Altan (Istanbul, Turkey), Bulut Ocak (Istanbul, Turkey) SYNOPSIS In this video, three-port bimanual 25-gauge transconjunctival sutureless vitrectomy (TSV) technique is demonstrated in eyes with severe diabetic traction retinal detachments. 25-gauge illuminated infusion cannula is used for bimanual surgery. Membrane delamination...

Read More

Outcomes of 25-gauge Transconjunctival Sutureless Vitrectomy

Nur Acar, MD (Istanbul, Turkey), Ziya Kapran, MD (Istanbul, Turkey), Yaprak Banu Unver, MD (Istanbul, Turkey), Tugrul Altan, MD (Istanbul, Turkey), Sezin Ozdogan, MD (Istanbul, Turkey) PURPOSE: To evaluate the safety and efficacy of 25-gauge transconjunctival sutureless vitrectomy (TSV) for the treatment of a variety of vitreoretinal diseases. METHODS: In this retrospective, interventional clinical trial, 64 consecutive eyes that underwent...

Read More

Vitrectomy and Subretinal tPA in Submacular Hemorrhage

Mehmet Cakir, MD, Ziya Kapran, MD, Nur Acar, MD, Y. Banu Ünver, MD, Tugrul Altan, MD, Zerrin Bayraktar, MD – Beyoglu Eye Research and Education Hospital, Istanbul Submacular hemorrhage in age related macular degeneration (ARMD) leads to severe visual loss in the early period by photoreceptor damage. At the same time, subretinal hemorrhage prevents the diagnosis and the treatment of the primary pathology. Tissue plasminogen activator...

Read More

Therapeutic Approach to Acute Submacular Hemorrhage

http://www.evrs.eu/medias/2005/congress/Therapeutic-Approach-to-Acute-Submacular-Hemorrhage.swf Ziya Kapran, Tugrul Altan, Mehmet Cakir, Nur Acar, Yaprak B. Ünver, Zerrin Bayrakar Purpose: To evaluate the efficacy of pneumatic displacement of submacular hemorrhage with sulfur hexafluoride (SF6) gas tamponade, with or without use of tissue plasminogen activator (tPA). Methods: Pneumatic displacement or surgical removal of the submacular...

Read More

Surgical Extraction of Choroidal Neovascular Membranes (CNVM)

Ziya Kapran, Tugrul Altan, Mehmet Çakır, Nur Acar, Yaprak B. Ünver, Aslı Utine, Zerrin Bayraktar Purpose: Evaluation of the results of surgical extraction of the choroidal neovascular membranes (CNVM). Methods: Four eyes of 4 patients who underwent surgical extraction of CNVM between July 2002 and July 2003 were retrospectively evaluated. Complications, visual prognosis, and recurrence rate were recorded. Results: The etiology of the...

Read More

Intravitreal Triamcinolone Acetonide Injection for the Management of Branch Retinal Vein Occlusion

N. Acar, M. Çakır, Y. B. Ünver, Z. Kapran, T. Altan, Z. Bayraktar, E. Y. Pınarcı, I. Perente, M. Dogan Purpose: To evaluate the efficacy of intravitreal triamcinolone acetonide (IVTA) injection for the treatment of macular edema (ME) due to branch retinal vein occlusion (BRVO) by OCT. Methods: In this prospective study, a total 42 eyes of 42 patients with BRVO in which visual acuity is ≤ 0.5 Snellen lines with ME were included in...

Read More

Intravitreal Triamcinolone Acetonide Injection for the Management of Diabetic Macular Edema

http://www.evrs.eu/medias/2005/congress/Intravitreal-Triamcinolone-Acetonide-Injection-for-the-Management-of-Diabetic-Macular-Edema.swf Mehmet Cakir, MD, C. Aslı Utine, MD, Nur Acar, MD, Y. Banu Ünver, MD, Muhammed Beyazal, MD, Irfan Perente, MD, Tugrul Altan, MD, Zerrin Bayraktar, MD, E. Yaman Pınarcı, MD, Ziya Kapran – Beyoglu Eye Research and Education Hospital, Istanbul Purpose: To evaluate the efficacy of intravitreal...

Read More

Results of Surgery in Traumatic Macular Holes

http://www.evrs.eu/medias/2005/congress/Results-of-Surgery-in-Traumatic-Macular-Holes.swf Tugrul Altan, Mehmet Çakir, Ziya Kapran, Irfan Perente, Nur Acar, Yaprak B. Ünver, Zerrin Bayraktar, Canan Aslı Utine Purpose: To evaluate the anatomical and functional success of pars plana vitrectomy (PPV) in traumatic macular holes. Methods: The records of 5 eyes of 5 patients who underwent PPV due to traumatic macular hole between September 2001...

Read More

One Year Results of Photodynamic Therapy in Eyes with Choroidal Neovascular Membranes due to Age Related Macular Degeneration

http://www.evrs.eu/medias/2005/congress/One-year-results-of-photodynamic-therapy-in-eyes-with-choroidal-neovascular-membranes-due-to-age-related-macular-degeneration.swf Tugrul Altan, Ziya Kapran, Mehmet Cakir, Nur Acar, Yaprak B. Unver, Zerrin Bayraktar Purpose: To evaluate the effectiveness of photodynamic therapy with verteporfin in preserving vision at 1 year in eyes with CNVM due to ARMD. Methods: 44 eyes of 43 patients who had...

Read More

Taut Posterior Hyaloid Removal in Diabetic Macular Edema

Z. Kapran, N. Acar, Y. B. Ünver, M. Çakır, T. Altan, Z. Bayraktar, E. Y. Pınarcı Diabetic macular edema (DME) is a significant source of visual deterioration in diabetic patients. Vitreus traction has been shown to play a role in DME. Attached taut posterior hyaloid causes tangential and/or anteroposterior traction leading to DME and even to shallow macular detachment (MD) which is very well demonstrated with optical coherens...

Read More

Vitreoretinal Surgery for Epiretinal Membranes (ERM)

http://www.evrs.eu/medias/2005/congress/Vitreoretinal-Surgery-for-Epiretinal-Membranes-(ERM).flv N. Acar, Y. B. Ünver, M. Çakır, Z. Kapran, T. Altan, Z. Bayraktar, Z. Kayaarası Idiopathic epiretinal membranes leads to vision loss due to macula edema, dense membrane over the fovea or sensory foveal elevation. In secondary ERMs other retinal pathologies contribute to the vision loss. Increase in visual acuity is achieved with pars plana...

Read More

Pars Plana Vitrectomy (PPV) with ILM Peeling in Maculer Hole Surgery

http://www.evrs.eu/medias/2005/congress/Pars-Plana-Vitrectomy-(PPV)-with-ILM-Peeling-in-Maculer-Hole-Surgery.flv Yaprak Banu Ünver, MD, Nur Acar, MD, Ziya Kapran, MD, Mehmet Cakır, MD, Zerrin Bayraktar, MD, Tugrul Altan, MD, Eylem Y. Pınarcı, MD In stage 2, 3 and 4 maculer holes, anatomical and functional success is achieved with vitreoretinal surgery (VRC). Internal limiting membran (ILM) peeling with or without staining increases the...

Read More

The Effect of Pars Plana Vitrectomy on Rubeosis Iridis and IOP, an Analysis of Associated Factors

Tugrul Altan, MD, Ziya Kapran, MD, Zerrin Bayraktar, MD, Nur Acar, MD, Yaprak B. Unver, MD, Mehmet Cakir, MD Purpose: To determine the effect of pars plana vitrectomy on rubeosis iridis (RI) and intraocular pressure and to evaluate the risk factors for the development of RI and glaucoma in diabetic eyes. Methods: 201 eyes of 201 patients that underwent pars plana vitrectomy for the complications due to proliferative diabetic retinopathy...

Read More

Early Postvitrectomy Diabetic Vitreous Hemorrhage: Incidence and Associated Factors

Zerrin Bayraktar, MD, Ziya Kapran, MD, Tugrul Altan, MD, Nur Acar, MD, Yaprak Banu Ünver, MD, Mehmet Çakır, MD, Mustafa Dogan, MD Purpose: To evaluate early postvitrectomy hemorrhage incidence and factors associated with hemorrhage in diabetic patients. Methods: 197 eyes with tractional retinal detachment and/or with vitreous or subhyaloid hemorrhage underwent pars plana vitrectomy between 2001 and 2003. Postvitrectomy vitreous...

Read More

Intraoperative and Postoperative Complications after Vitrectomy in Diabetic Cases

Nur Acar, MD, Yaprak Banu Unver, MD, Ziya Kapran, MD, Mehmet Cakır, MD, Zerrin Bayraktar, MD, Tugrul Altan, MD, Basak Yılmaz, MD, Irfan Perente, MD Purpose: To evaluate the incidence of intraoperative and postoperative complications encountered after pars plana vitrectomy (PPV) in diabetic cases. Methods: The medical records of 201 consecutive eyes with diabetic retinopathy that underwent PPV were reviewed retrospectively for the...

Read More

Visual Prognosis after Pars Plana Vitrectomy for Tractional Retinal Detachment in Diabetic Patients

Ziya Kapran, MD, Zerrin Bayraktar, MD, Tugrul Altan, MD, Nur Acar, MD, Yaprak Banu Ünver, MD, Mehmet Çakır, MD, Zeynep Kayaarası, MD Purpose: To evaluate the surgical outcomes and patient benefit after pars plana vitrectomy for diabetic tractional retinal detachment. Methods: In this retrospective study, data were analyzed for 96 consecutive vitrectomy for tractional diabetic retinal detachment procedures performed between 2001 and 2003...

Read More

Visual Outcome after Pars Plana Vitrectomy for Vitreous and/or Subhyaloidal Hemorrhage in Diabetic Patients

Zerrin Bayraktar, MD, Ziya Kapran, MD, Tugrul Altan, MD, Nur Acar, MD, Yaprak Banu Ünver, MD, Mehmet Çakır, MD, Burak Erden, MD Purpose: To investigate visual benefit from pars plana vitrectomy for vitreous and/or subhyaloidal hemorrhage without tractional detachment in diabetic patients. Methods: Data were analyzed for pars plana vitrectomy for vitreous and/or subhyaloidal hemorrhage in 71 eyes. Patient characteristics, intraoperative...

Read More

Early Period OCT Findings in Macular Edema after Intravitreal Triamcinolone Acetonide

Mehmet Cakır, MD, Ziya Kapran, MD, Nur Acar, MD, Yaprak Banu Unver, MD, Tugrul Altan, MD, Zerrin Bayraktar, MD, Mustafa Dogan, MD Purpose: To determine the effect of intravitreal triamcinolone acetonide on macular edema in the early period evaluated by optical coherence tomography (OCT). Methods: In this prospective study performed in Beyoglu Eye Education and Research Hospital between January and March 2004, 21 eyes of 20 patients with...

Read More

Bimanual Vitrectomy in Diabetic Traction Retinal Detachment

Nur Acar, MD, Yaprak Banu Unver, MD, Ziya Kapran, MD, Mehmet Cakır, MD, Zerrin Bayraktar, MD, Tugrul Altan, MD, Sinan Albayrak, MD The surgical repair of complex diabetic traction retinal detachments requires the removal of the vitreous and the release of anteroposterior and tangential forces from the retina. In standard pars plana vitrectomy only one active instrument can be used since the other hand holds an illuminating light. Bimanual...

Read More

Step-Wise Surgical Approach in Diabetic Eyes Complicated by Traction Retinal Detachment

Ziya Kapran, MD, Nur Acar, MD, Yaprak Banu Unver, MD, Mehmet Cakır, MD, Zerrin Bayraktar, MD, Tugrul Altan, MD The techniques of surgical management of diabetic traction retinal detachment (TRD) have evolved considerably over the last decade. Release of anteroposterior and tangential tractions is the primary goal. Membrane segmentation, delamination, en bloc excision of fibrovascular tissues are the techniques. In this video, step-wise...

Read More

OCT Findings in Diabetic Macular Edema after Intravitreal Triamcinolone Acetonide

Eylem Yaman, MD, Mehmet Cakır, Ziya Kapran, MD, Irfan Perente, MD, Yaprak Banu Unver, MD, Nur Acar, MD, Tugrul Altan, MD, Zerrin Bayraktar, MD, Muhammet Beyazal, MD Purpose: To determine the efficacy of intravitreal triamcinolone acetonide on diabetic macular edema (ME) by optical coherence tomography (OCT). Methods: In this prospective study performed in Beyoglu Eye Education and Research Hospital between January and March 2004, 16 eyes...

Read More

The Effect of Preoperative Scatter Photocoagulation on Visual Outcome on Vitrectomize Diabetic Cases

Yaprak Banu Ünver, MD, Nur Acar, MD, Ziya Kapran, MD, Mehmet Çakır, MD, Zerrin Bayraktar, MD, Tugrul Altan, MD, Irfan Perente, MD Purpose: To evaluate the effect of preoperative scatter photocoagulation on visual outcome in vitrectomized diabetic cases. Methods: Retrospective review of 163 consecutive eyes undergoing vitrectomy for intravitreal/subhyaloid hemorrages and macula threatening tractional/rhegmatogenous retinal detachment. The...

Read More

Large Relaxing Retinotomy-Retinectomies for Retinal Reattachment in Severe Proliferative Vitreoretinopathy

Nur Acar*, Ziya Kapran, Yaprak Banu Ünver, Tugrul Altan,Zerrin Bayraktar, Hülya Güngel, Tolga Sahanlar Istanbul, Turkey Purpose: To evaluate the functional and anatomical success rates of large(>90 ) relaxing retinotomy-retinectomy(RRR) in retinal detachment cases complicated by severe ( C3) proliferative vitreoretinopathy(PVR). Methods: The medical records of 20 cases in whom large RRR was performed were analysed. Results: Retinas...

Read More
content top