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https://www.readbyqxmd.com/read/29784158/fixation-parameter-test-retest-repeatability-of-the-worse-eye-in-central-field-loss
#1
Saba Samet, Luminita Tarita-Nistor, Esther G González, Mark S Mandelcorn, Efrem D Mandelcorn, Martin J Steinbach
OBJECTIVE: Patients with bilateral central field loss develop peripheral retinal loci (PRLs) in the functional eccentric retina. PRL characteristics and visual performance in the better-seeing eye (BE) of these patients have previously been reported. In this study, we determined the test-retest repeatability of fixation parameters, including fixation stability, PRL eccentricity, and PRL span in the worse-seeing eye (WE). DESIGN: Retrospective consecutive case series...
June 2018: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/29781741/slowly-progressive-retinitis-pigmentosa-caused-by-two-novel-mutations-in-the-mak-gene
#2
Joanna Monika Gray, Harry Otway Orlans, Morag Shanks, Penny Clouston, Robert Elvis MacLaren
BACKGROUND: The growing number of clinical trials currently underway for inherited retinal diseases has highlighted the importance of achieving a molecular diagnosis for all new cases presenting to hospital eye services. The male germ cell-associated kinase (MAK) gene encodes a cilium-associated protein selectively expressed in the retina and testis, and has recently been implicated in autosomal recessive retinitis pigmentosa (RP). Whole exome sequencing has previously identified a homozygous Alu insertion in probands with recessive RP and nonsense and missense mutations have also been reported...
May 21, 2018: Ophthalmic Genetics
https://www.readbyqxmd.com/read/29780940/colored-floaters-as-a-manifestation-of-digoxin-toxicity
#3
Lynn Shi, Linus D Sun, Jeffrey G Odel
Purpose: Since its report in one patient more than 70 years ago, digitalis-induced colored muscae volitantes have not surfaced again in the literature. We report here a case of digoxin induced colored floaters. Observations: An 89-year-old man on 0.25 mg digoxin daily developed visual hallucinations and colored floaters. He had floaters in the past but now they were in various colors including yellow, green, blue and red, though predominantly in yellow. These "weirdly" shaped little particles wiggled around as if in a viscous solution and casted shadows in his vision...
June 2018: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29774966/test-characteristics-of-point-of-care-ultrasound-for-the-diagnosis-of-retinal-detachment-in-the-emergency-department
#4
Daniel J Kim, Mario Francispragasam, Gavin Docherty, Byron Silver, Ross Prager, Donna Lee, David Maberley
Previous studies of point of care ultrasound (POCUS) have reported high sensitivities and specificities for retinal detachment (RD). Our primary objective was to assess the test characteristics of POCUS performed by a large heterogeneous group of emergency physicians (EPs) for the diagnosis of RD. METHODS: This was a prospective diagnostic test assessment of POCUS performed by EPs with varying ultrasound experience on a convenience sample of emergency department (ED) patients presenting with flashes or floaters in one or both eyes...
May 18, 2018: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/29772050/combined-femtosecond-laser-assisted-cataract-surgery-and-small-gauge-pars-plana-vitrectomy-using-different-devices-a-new-trend-for-vitreoretinal-surgery
#5
Bruno de Queiroz Alves, Oswaldo Ferreira Moura Brasil, Cristiano Toesca Espinhosa, Ricardo Miguel Japiassu, Mariana Batista Gonçalves, Otaviano Magalhães Júnior, André Maia, Emmerson Badaró, Paula Serraino, Arturo Alezzandrinni, Mauricio Maia
BACKGROUND AND OBJECTIVE: To report the efficacy, safety, and benefits of femtosecond laser-assisted cataract surgery (FLACS) combined with sutureless 23-gauge pars plana vitrectomy (PPV). PATIENTS AND METHODS: This multicenter, retrospective study evaluated patient records and videos of 43 cases with retinal pathologies and cataract who underwent the combined procedure. RESULTS: In 44.2% and 55.8% of cases, respectively, the LenSx Laser (femtosecond machine; Alcon, Fort Worth, TX) and the Constellation (vitreous cutter; Alcon, Fort Worth, TX), and the Victus (femtosecond machine; Bausch + Lomb, Rochester, NY) and Stellaris PC (vitreous cutter; Bausch + Lomb, Rochester, NY) were used...
May 1, 2018: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/29772046/bilateral-myelinated-retinal-nerve-fibers-associated-with-bilateral-vitreous-cysts-and-solitary-vasoproliferative-tumor-a-new-syndrome
#6
Nora W Muakkassa, Eric J Schwaber, Nora Laver, Jay S Duker
The authors report a case of a 57-year-old male with high myopia, extensive bilateral myelination of the retinal nerve fiber layer, bilateral vitreous cysts, and a solitary vasoproliferative tumor in the right eye. He underwent pars plana vitrectomy and multiple transpupillary thermotherapy treatments for recurrent vitreous hemorrhages and subretinal exudation from the vasoproliferative tumor. To the authors' knowledge, this is the first description of this constellation of findings and suggests this represents a new syndrome...
May 1, 2018: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/29772041/endophthalmitis-associated-with-intravitreal-injections-of-anti-vegf-agents-at-a-tertiary-referral-center-in-house-and-referred-cases
#7
Nicolas A Yannuzzi, Ninel Z Gregori, Philip J Rosenfeld, Nidhi Relhan, Nimesh A Patel, Nancy Si, Darlene Miller, Sander R Dubovy, William E Smiddy, Stephen G Schwartz, Harry W Flynn
BACKGROUND AND OBJECTIVE: To report the incidence rates, causative organisms, and visual acuity (VA) outcomes in patients with endophthalmitis associated with intravitreal injection of anti-vascular endothelial growth factor inhibitors. PATIENTS AND METHODS: Retrospective case series between 2005 and 2017. RESULTS: The study included 39 eyes of 39 patients, including 27 (69%) referred and 12 (31%) institutional patients. The use of topical antibiotics after an injection was gradually phased out at the authors' institution, where the preinjection rate of all clinically suspected endophthalmitis was 0...
May 1, 2018: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/29765944/uveal-melanoma-5-year-update-on-incidence-treatment-and-survival-seer-1973-2013
#8
Mary E Aronow, Allan K Topham, Arun D Singh
Purpose: To analyze trends in incidence, treatment, and survival of uveal melanoma in the United States from 1973 to 2013 using the Surveillance, Epidemiology, and End Results database. Materials and Methods: Patients were identified using International Classification of Disease for Oncology codes: C69.3 (choroid), C69.4 (ciliary body and iris), and C69.2 (retina). Trends in age-adjusted incidence, treatment (surgery or radiation), and 5-year relative survival were calculated...
April 2018: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/29760571/multiple-extrafoveal-macular-holes-following-internal-limiting-membrane-peeling
#9
Nazimul Hussain, Sandip Mitra
Objective: Internal limiting membrane (ILM) peeling has been the standard of treatment for macular holes. Besides, causing retinal nerve fiber layer surface abnormality, postoperative extrafoveal multiple retinal holes is a rare phenomenon following ILM peeling. We report an unusual complication of eight extrafoveal macular holes occurring following ILM peeling. Case presentation: A 60-year-old male presented with complaints of decreased and distorted vision in the right eye...
2018: International Medical Case Reports Journal
https://www.readbyqxmd.com/read/29757814/macular-hole-formation-followed-by-spontaneous-closure-after-pneumatic-retinopexy-in-a-patient-with-diabetic-macular-edema
#10
Michael N Cohen, Caroline R Baumal
PURPOSE: To report early formation and spontaneous closure of a full-thickness macular hole that developed after successful pneumatic retinopexy in a patient who had been undergoing treatment for diabetic macular edema. METHODS: Case report of a 68-year-old man with bilateral nonproliferative diabetic retinopathy who was currently undergoing anti-vascular endothelial growth factor treatment for bilateral diabetic macular edema. RESULTS: On presentation, visual acuity was 20/200 in the left eye, and examination revealed a bullous, macula-off retinal detachment with a single horseshoe tear at 12 o'clock in the left eye...
May 10, 2018: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/29749240/why-is-it-necessary-to-examine-retina-when-the-patient-suffers-from-aplastic-anemia
#11
D Tomcikova, A Gerinec, B Busanyova, M Gresikova, S Biskup, K Hortnagel
PURPOSES: To inform about a case of Revesz syndrome (RS) with initial ophthalmological symptomatology of severe proliferative vitreoretinopathy of the left eye (LE). After the aplastic anemia had developed, RS was established. The exudative retinopathy was successfully treated with photocoagulation on the right eye (RE). BACKGROUND: RS is characterized by fatal bone marrow failure, exudative retinopathy, neuroradiographic abnormalities, neurodevelopmental delay and skin abnormalities...
2018: Bratislavské Lekárske Listy
https://www.readbyqxmd.com/read/29739345/atypical-central-retinal-artery-occlusion-as-the-first-presentation-of-poems-syndrome-a-case-report
#12
Panitha Jindahra, Charungthai Dejthevaporn, Pimjai Niparuck, Jariya Waisayarat, Piyaphon Cheecharoen, Thanatporn Threetong, Purit Petpiroon, Tharikarn Sujirakul, Anuchit Poonyathalang, Kavin Vanikieti
BACKGROUND: POEMS syndrome is a plasma cell disorder, which clinically manifests from paraneoplastic syndrome: polyneuropathy, organomegaly, endocrinopathy, monoclonal plasma cell disorder, and skin changes. The most common ocular manifestation is optic disc swelling, whereas other ocular manifestations; cystoid macular edema, serous macular detachment, venous sinus thrombosis, infiltrative orbitopathy, uveitis, neovascularization of the disc, peripapillary choroidal neovascularization and optic disc drusen, had also been reported...
May 8, 2018: BMC Neurology
https://www.readbyqxmd.com/read/29735434/-primary-uveal-lymphoma-effectively-treated-with-radiotherapy-a-case-report-and-literature-review
#13
Ruo-Xin Wu, Tao Yang, Zhu-Ping Xu
Primary uveal lymphoma is a type of intra-ocular lymphoma. Unlike the intra-ocular lymphomas involving the retina and vitreous, primary uveal lymphoma generally has a low-grade nature and an indolent clinical course. It is a relatively rare condition, and the diagnosis can be challenging. We present a rare case of primary uveal lymphoma involving the choroid, ciliary body, iris and conjunctiva that was successfully treated with radiotherapy and achieved full remission.
April 20, 2018: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/29734810/theoretical-insights-into-the-retinal-dynamics-of-vegf-in-patients-treated-with-ranibizumab-based-on-an-ocular-pharmacokinetic-pharmacodynamic-model
#14
Laurence A Hutton-Smith, Eamonn A Gaffney, Helen M Byrne, Antonello Caruso, Philip K Maini, Norman Alan Mazer
Neovascular age-related macular degeneration (wet AMD) results from the pathological angiogenesis of choroidal capillaries, which leak fluid within or below the macular region of the retina. The current standard of care for treating wet AMD utilizes intravitreal injections of anti-VEGF antibodies or antibody fragments to suppress ocular VEGF levels. While VEGF suppression has been demonstrated in wet AMD patients by serial measurements of free-VEGF concentrations in aqueous humor samples, it is presumed that anti-VEGF molecules also permeate across the inner limiting membrane (ILM) of the retina as well as the retinal pigmented epithelium (RPE) and suppress VEGF-levels in the retina and/or choroidal regions...
May 7, 2018: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/29717154/dietary-environmental-and-genetic-risk-factors-of-extensive-macular-atrophy-with-pseudodrusen-a-severe-bilateral-macular-atrophy-of-middle-aged-patients
#15
Aymeric Douillard, Marie-Christine Picot, Cécile Delcourt, Sabine Defoort-Dhellemmes, Nour Al-Dain Marzouka, Annie Lacroux, Xavier Zanlonghi, Isabelle Drumare, Elsa Jozefowicz, Béatrice Bocquet, Corinne Baudoin, Sarah Perez-Roustit, Sophie Arsène, Valérie Gissot, François Devin, Carl Arndt, Benjamin Wolff, Martine Mauget-Faÿsse, Maddalena Quaranta, Thibault Mura, Dominique Deplanque, Hassiba Oubraham, Salomon Yves Cohen, Pierre Gastaud, Olivia Zambrowski, Catherine Creuzot-Garcher, Saddek Mohand Saïd, José-Alain Sahel, Eric Souied, Solange Milazzo, Rocio Blanco Garavito, Vasiliki Kalatzis, Bernard Puech, Christian Hamel, Isabelle Audo, Isabelle Meunier
EMAP (Extensive Macular Atrophy with Pseudodrusen) is a maculopathy we recently described that shares pseudodrusen and geographic atrophy with Age-related Macular Disease (AMD). EMAP differs from AMD by an earlier age of onset (50-55 years) and a characteristic natural history comprising a night blindness followed by a severe visual loss. In a prospective case-control study, ten referral centers included 115 EMAP (70 women, 45 men) patients and 345 matched controls to appraise dietary, environmental, and genetic risk factors...
May 1, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29691705/retinal-dysfunction-in-a-presymptomatic-patient-with-huntington-s-disease
#16
Jonelle Knapp, Dean A VanNasdale, Keith Ramsey, Julie Racine
PURPOSE: Huntington's disease (HD) is an autosomal dominant, neurodegenerative disorder characterized by progressive motor dysfunction, cognitive decline, and psychiatric disturbances. Studies have shown retinal abnormalities in patients and mouse models with HD; however, to our knowledge, no prior research papers evaluated retinal structure and function in a presymptomatic patient with HD. The aim of this report is to present a case of retinal dysfunction in a presymptomatic patient with HD...
April 24, 2018: Documenta Ophthalmologica. Advances in Ophthalmology
https://www.readbyqxmd.com/read/29678701/seeing-floaters-a-case-report-and-literature-review-of-intraventricular-migration-of-silicone-oil-tamponade-material-for-retinal-detachment
#17
Matthew B Potts, Alex C Wu, David J Rusinak, Kartik Kesavabhotla, Babak S Jahromi
BACKGROUND: Intraocular injection of silicone oil is commonly performed during vitrectomy to tamponade the retina in place for treatment of retinal detachment. Although rare, this intravitreal silicone can migrate through the optic nerve and chiasm and enter the cerebral ventricles. CASE DESCRIPTION: Here we present a case report of a patient presenting with headache and intraventricular hyperdensities on computed tomography imaging raising concern for intraventricular hemorrhage...
April 17, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29674119/nmnat1-e257k-variant-associated-with-leber-congenital-amaurosis-lca9-causes-a-mild-retinal-degeneration-phenotype
#18
Aiden Eblimit, Smriti Agrawal Zaneveld, Wei Liu, Kandace Thomas, Keqing Wang, Yumei Li, Graeme Mardon, Rui Chen
NMNAT1 (nicotinamide mononucleotide adenylyltransferase 1) encodes a rate-limiting enzyme that catalyzes the biosynthesis of NAD+ and plays a role in neuroprotection. Mutations in NMNAT1 have been identified to cause a recessive, non-syndromic early form of blindness genetically defined as Leber Congenital Amaurosis 9 (LCA9). One of the most common alleles reported so far in NMNAT1 is the c.769G > A (E257K) missense mutation, which occurs in 70% of all LCA9 cases. However, given its relatively high population frequency and the observation of individuals with homozygous E257K variant without phenotype, the pathogenicity of this allele has been questioned...
April 16, 2018: Experimental Eye Research
https://www.readbyqxmd.com/read/29670325/retinal-detachment-in-albinism
#19
Ahmad M Mansour, Jay Chhablani, J Fernando Arevalo, Lihteh Wu, Ravi Sharma, Suthasinee Sinawat, Tharikarn Sujirakul, Alexandre Assi, Wandsy M Vélez-Vázquez, Mohamad A Mansour, Ozcan Kayikcioglu, Cem Kucukerdonmez, Ali Kal
Purpose: To report the visual and anatomic outcomes of albino retinal detachment (ARD) repair. Methods: Collaborative retrospective analysis of ARD. Outcome measures were number of surgical interventions, final retinal reattachment, and best corrected visual acuity (BCVA) at last follow-up. Results: Seventeen eyes of 16 patients (12 males; mean age =37.8 years) had the following complications at presentation: macula off (14), total (7) or inferior detachment (5), proliferative vitreoretinopathy (5), detectable break (16), lattice (5), horseshoe tears (9), and giant tear or dialysis (4)...
2018: Clinical Ophthalmology
https://www.readbyqxmd.com/read/29667428/optical-coherence-tomography-angiography-characterization-of-acute-and-late-stage-purtscher-retinopathy
#20
Pedro Gil, Miguel Raimundo, João P Marques, João Póvoa, Rufino Silva
PURPOSE: To report a case of Purtscher retinopathy imaged with optical coherence tomography angiography. METHODS: Case-report. Left eye fundoscopic examination in a 21-year old male after a road traffic accident with chest compression revealed multiple peri-papillary cotton-wool spots and intra- and pre-retinal hemorrhages. A diagnosis of Purtscher retinopathy was assumed. RESULTS: In both the superficial and deep retinal plexuses, acute stage optical coherence tomography angiography identified multiple irregular areas of capillary non-perfusion that extended beyond the clinically visible peri-papillary cotton-wool spots...
April 1, 2018: European Journal of Ophthalmology
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