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Cincinnati, OH, United States

PURPOSE:: To assess the long-term visual acuity results for intravitreal bevacizumab therapy in the treatment of subretinal neovascular membrane (SRNVM) secondary to idiopathic macular telangiectasia (Mactel) Type 2. METHODS:: This retrospective review of a consecutive, interventional case series includes patients with SRNVM secondary to Mactel Type 2 who were seen at Cincinnati Eye Institute from February 2006 to December 2014. Best-corrected visual acuity, fluorescein angiography, and optical coherence tomography measurements were performed. Exclusion criteria were the following: Mactel Type 2 patients without SRNVM, Mactel Type 1 patients, patients who had SRNVM or macular edema related to other maculopathies, and patients who had pars plana vitrectomy or laser treatment to the macula during the course of care or before their first visit. RESULTS:: Twenty-five eyes of 20 patients with SRNVM secondary to Mactel Type 2 were included in the study. The mean baseline best-corrected visual acuity was 20/91 (median: 20/69) and the mean final best-corrected visual acuity was 20/62 (median: 20/60) at the last visit (P < 0.0001). The mean number of injections was 8.4 ± 11.1 (range: 2–53, median: 4). The mean pretreatment central macular thickness of 254 μm improved to 205 μm at the final visit (P = 0.011). No complications related to intravitreal bevacizumab injection were noted during the mean follow-up time of 40.8 ± 33.7 months (range: 4–108 months, median: 24 months). CONCLUSION:: Intravitreal bevacizumab therapy is an effective long-term treatment modality for SRNVM secondary to Mactel Type 2 based on improvement in best-corrected visual acuity and associated reduction in central macular thickness. © 2016 by Ophthalmic Communications Society, Inc. Source

Sisk R.A.,University of Miami | Sisk R.A.,Cincinnati Eye Institute | Murray T.G.,University of Miami
British Journal of Ophthalmology | Year: 2010

Background: To evaluate the safety and visual outcomes of combined phacoemulsification and sutureless 23-gauge vitrectomy for concomitant cataract and vitreoretinal diseases. Methods: Retrospective consecutive interventional case series. 114 eyes of 111 patients underwent combined sutureless 23-gauge vitrectomy and phacoemulsification surgery between 1 January 2006 and 1 March 2009. Main outcome measures were visual acuity and perioperative complications. Results: All patients had at least 3 months follow-up (mean 263 days). The main vitreoretinal surgical indications were intractable cystoid macular oedema, epiretinal membrane and retinal detachment. Mean logMAR visual acuity improved from baseline 20/192 to 20/129 at 3 months (p=0.005). Mean intraocular pressure (IOP) increased from baseline 15.8 mm Hg to 17.7 mm Hg (p=0.033) on postoperative day 1 and then decreased by postoperative month 3 to 14.8 mm Hg (p=0.019). 110 (96.5%) eyes had significant pre-existing macular disease, and 93 (81.6%) received preoperative treatments. 82 (71.9%) patients required supplemental treatment(s) at a mean of 91.5 days, most commonly intravitreal injections to reduce vascular leakage or YAG capsulotomy. Hypotony, defined as IOP <5, was observed in four (3.5%) patients, and no patient developed endophthalmitis. Capsular tears were more frequent in eyes with a history of previous radiation or vitrectomy. Conclusions: Combined phacoemulsification and sutureless 23-gauge vitrectomy surgery was safely and effectively used for cataracts and a variety of complex vitreoretinal diseases. Source

Hufnagel R.B.,University of Cincinnati | Ahmed Z.M.,Cincinnati Childrens Hospital | Correa Z.M.,University of Cincinnati | Sisk R.A.,Cincinnati Eye Institute
Graefe's Archive for Clinical and Experimental Ophthalmology | Year: 2012

Background Leber congenital amaurosis (LCA) is a congenital retinal dystrophy that results in significant and often severe vision loss at an early age. Comprehensive analysis of the genetic mutations and phenotypic correlations in LCA patients has allowed for significant improvements in understanding molecular pathways of photoreceptor degeneration and dysfunction. The purpose of this article is to review the literature on the subject of retinal gene therapy for LCA, including historical descriptions, preclinical animal studies, and human clinical trials. Methods A literature search of peer-reviewed and indexed publications from 1996-2011 using the PubMed search engine was performed. Key terms included "Leber congenital amaurosis", LCA, RPE65, "cone-rod dystrophy", "gene therapy", and "human trials" in various combinations. Seminal articles prior to 1996 were selected from primary sources and reviews from the initial search. Articles were chosen based on pertinence to clinical, genetic, and therapeutic topics reviewed in this manuscript. Fundus photographs from LCA patients were obtained retrospectively from the clinical practice of one of the authors (R.A.S). Results Herein, we reviewed the literature on LCA as a genetic disease, the results of human gene therapy trials to date, and possible future directions towards treating inherited retinal diseases at the genetic level. Original descriptions of LCA by Theodor Leber and subsequent research demonstrate the severity of this disease with early-onset blindness. Discoveries of the causative heritable mutations revealed genes and protein products involved in photoreceptor development and visual transduction. Animal models have provided a means to test novel therapeutic strategies, namely gene therapy. Stemming from these experiments, three independent clinical trials tested the safety of subretinal delivery of viral gene therapy to patients with mutations in the RPE65 gene. More recently, efficacy studies have been conducted with encouraging results. Conclusions Initial safety studies indicated promising results of subretinal delivery of viral vector with subclinical immunologic or surgical sequelae. Overall, these initial studies demonstrate that viral vector gene therapy results are very promising, safe, and effective. Future studies measuring potential improvement in photoreceptor function may rely on recent advances in retinal imaging and electrophysiologic testing. © Springer-Verlag 2012. Source

Alsuhaibani A.H.,King Abdulaziz University | Carter K.D.,University of Iowa | Nerad J.A.,Cincinnati Eye Institute | Lee A.G.,University of Iowa | Lee A.G.,University of Texas Medical Branch
Ophthalmology | Year: 2011

Purpose To evaluate the effect of optic nerve sheath fenestration (ONSF) on papilledema grade in the operated eyes and the contralateral nonoperated fellow eyes in patients with idiopathic intracranial hypertension (IIH). Design Retrospective review. Participants A total of 78 patients underwent ONSF, and 20 patients served as controls. Methods Charts of patients with IIH who had ONSF at the University of Iowa Hospital and Clinics were reviewed for age, gender, body mass index, and clinical findings. Optic disc photographs were graded by a masked observer using the Frisn papilledema grading scale at preoperative baseline and postoperatively at 2 weeks, 3 months, 6 months, and 12 months follow-up. Wilcoxon signed-rank test was used to examine the change in papilledema grade in both operated and nonoperated eyes at each time point. Main Outcome Measures Grade of papilledema. Results Sixty-two patients (52 women and 10 men) with a mean age of 32 years (range, 1357 years) underwent unilateral ONSF. The median grade of papilledema for operated and nonoperated eyes was 3 and 2, respectively, at preoperative baseline. Postoperatively the grade was 2 in each eye at 2 weeks (P<0.0001 and <0.0002 for operated and nonoperated eyes, respectively), 1 in each eye at 3 months (P<0.0001 for both operated and nonoperated eyes), 1 in each eye at 6 months (P<0.0001 for both operated and nonoperated eyes), and 0.5 and 1 for operated and nonoperated eyes, respectively, at 12 months follow-up (P<0.0001 for both operated and nonoperated eyes). There was no significant difference in grade of disc edema or reduction of disc edema on the basis of age, gender, or body mass index. Conclusions Unilateral ONSF significantly decreases the grade of papilledema in both ipsilateral (operated) and contralateral (unoperated) eyes. The reduction of the papilledema and the stability of visual field in the contralateral (nonoperated) eyes suggest that bilateral ONSF may not always be necessary in patients with bilateral visual loss and papilledema due to IIH. Financial Disclosure(s) The author(s) have no proprietary or commercial interest in any materials discussed in this article. © 2011 American Academy of Ophthalmology. Source

Snyder M.E.,Cincinnati Eye Institute | Lindsell L.B.,Christ Hospital
Journal of Cataract and Refractive Surgery | Year: 2011

We describe a novel "hang-back" surgical approach for repairing an iridodialysis. Instead of repositioning the iris tightly to the sclera, the detached peripheral iris is suspended by a suture inside the normal iris insertion, reducing corectopia and avoiding inadvertent coverage of the trabecular meshwork by peripheral iris. A horizontal mattress suture is placed ab interno via a paracentesis site and tightened to bring the iris periphery to inside and under the limbus, as viewed from the frontal plane. This technique provides an excellent functional and cosmetic result. Financial Disclosure: Neither author has a financial or proprietary interest in any material or method mentioned. © 2011 ASCRS and ESCRS. Source

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