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Michael Y Woo, Nathan Hecht, Bernard Hurley, David Stitt, Venkatesh Thiruganasambandamoorthy
OBJECTIVES: The objective of this study was to determine the test characteristics of point-of-care ultrasonography (POCUS) for the diagnosis of retinal tear (RT), retinal detachment (RD), posterior vitreous detachment (PVD), and vitreous hemorrhage (VH). DESIGN: A prospective observation study on a convenience sample of patients presenting to a tertiary care emergency general ophthalmology clinic was performed. PARTICIPANTS: Adult patients with acute flashes/floaters or new visual field defects were included (n = 62)...
October 2016: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
Ivanka Dacheva, Christoph Ullmer, Karolina Ceglowska, Everson Nogoceke, Guido Hartmann, Stephan Müller, Robert Rejdak, Katarzyna Nowomiejska, Michael Reich, Matthias Nobl, Tamer Tandogan, Florian T A Kretz, Gerd U Auffarth, Michael J Koss
PURPOSE: To analyze the levels of lysophosphatidic acids (LPAs) and autotaxin (ATX) in undiluted vitreous of untreated patients with retinal vein occlusion (RVO). METHODS: Sixty-four vitreous samples (40 RVO, 24 controls with idiopathic floaters) were analyzed in this retrospective case series using LC/MS for LPAs 16:0, 18:0, 18:1, 20:4, and ELISA kits or Luminex technology for ATX, angiopoetin-1 (ANG-1), interleukin-6 (IL-6), interleukin-7 (IL-7), interleukin-8 (IL-8), monocyte chemoattractant protein-1 (MCP-1), pigment epithelium-derived factor (PEDF), and vascular endothelial growth factor (VEGF)...
July 12, 2016: Retina
Rozina Noristani, Tim Schultz, H Burkhard Dick
PURPOSE: To report a patient who developed a white cataract after Nd:YAG laser vitreolysis with a posterior capsule defect. METHODS: Femtosecond laser-assisted capsulotomy was performed for optic capture fixation in a patient with a cataract due to a posterior capsule defect after Nd:YAG laser-vitreolysis. RESULTS: A 55-year-old, highly myopic woman presented with visual impairment 4 days after Nd:YAG laser vitreolysis due to preexisting floaters...
September 9, 2016: European Journal of Ophthalmology
Sjouke A Kingma, Kat Bebbington, Martijn Hammers, David S Richardson, Jan Komdeur
Why sexually mature individuals stay in groups as nonreproductive subordinates is central to the evolution of sociality and cooperative breeding. To understand such delayed dispersal, its costs and benefits need to be compared with those of permanently leaving to float through the population. However, comprehensive comparisons, especially regarding differences in future breeding opportunities, are rare. Moreover, extraterritorial prospecting by philopatric individuals has generally been ignored, even though the factors underlying this route to independent breeding may differ from those of strict philopatry or floating...
October 6, 2016: Evolution; International Journal of Organic Evolution
Giancarlo A Garcia, Matin Khoshnevis, Kenneth M P Yee, Jeanne Nguyen-Cuu, Justin H Nguyen, J Sebag
PURPOSE: To evaluate the effect of posterior vitreous detachment (PVD) on contrast sensitivity function (CSF) in previously normal eyes, with the hypothesis that PVD reduces CSF. DESIGN: Prospective observational case series. METHODS: At a single clinical practice 28 eyes were evaluated: 8 eyes of 8 adults (mean age=54.4 ± 10.1 years; range=39 to 68) with normal CSF documented by Freiburg Acuity Contrast Testing (Weber index: %W) who subsequently experienced PVD, as confirmed by ultrasonography and OCT; 8 fellow eyes without PVD; and 12 control eyes: 9 eyes with PVD in patients who chose observation and 3 fellow eyes without PVD...
September 12, 2016: American Journal of Ophthalmology
Sanjeet K Shahi
Acute retinal necrosis (ARN), secondary to herpes simplex encephalitis, is a rare syndrome that can present in healthy individuals, as well as immuno-compromised patients. Most cases are caused by a secondary infection from the herpes virus family, with varicella zoster virus being the leading cause of this syndrome. Potential symptoms include blurry vision, floaters, ocular pain and photophobia. Ocular findings may consist of severe uveitis, retinal vasculitis, retinal necrosis, papillitis and retinal detachment...
August 31, 2016: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
Ellen H Koo, Luis J Haddock, Namita Bhardwaj, Jorge A Fortun
BACKGROUND: Neodymium-yttrium-aluminium-garnet (Nd:YAG) laser vitreolysis has been proposed as a treatment modality for symptomatic vitreous floaters. The purpose of this paper is to report two cases of cataracts associated with posterior capsular compromise, induced by Nd:YAG laser vitreolysis for symptomatic vitreous floaters. METHOD: Case series. RESULTS: Two patients who underwent ND:YAG laser vitreolysis for symptomatic floaters, presented with decline in visual acuity in the treated eye after the laser procedure...
August 29, 2016: British Journal of Ophthalmology
Charles E A Stringer, Justin S Ahn, Daniel J Kim
Point of care ultrasound in the emergency department (ED) is increasingly being used to diagnose time-sensitive, vision-threatening conditions. We present a case of a 64-year-old female who presented to the ED with a three-day history of worsening left eye floaters. Point of care ocular ultrasound demonstrated a posterior chamber containing many echogenic opacities of varying size without acoustic shadowing. Movement of the eye resulted in significant after-movement of these opacities, giving the classic "washing machine" appearance seen with vitreous hemorrhage (VH)...
August 30, 2016: CJEM
E Konstantakopoulou, D F Edgar, R A Harper, H Baker, M Sutton, S Janikoun, G Larkin, J G Lawrenson
BACKGROUND: The establishment of minor eye conditions schemes (MECS) within community optometric practices provides a mechanism for the timely assessment of patients presenting with a range of acute eye conditions. This has the potential to reduce waiting times and avoid unnecessary referrals to hospital eye services (HES). OBJECTIVE: To evaluate the clinical effectiveness, impact on hospital attendances and patient satisfaction with a minor eye service provided by community optometrists...
2016: BMJ Open
Linda J Harris, Vanessa Lieberman, Rupinder P Mashiana, Edward Atwill, Mai Yang, Jeffrey C Chandler, Bledar Bisha, Thomas Jones
After harvest, pistachios are hulled with mechanical abrasion and then separated in a float tank containing water; the nuts that float (∼15%; floaters) and those that sink (∼85%; sinkers) are dried and stored separately. To determine the prevalence of Salmonella in pistachios, a total of 3,966 samples (1,032 floaters and 2,934 sinkers) were collected within 4 months of the 2010, 2011, and 2012 harvests from storage silos (12 samples from each silo, in most cases) and were stored at 4°C; 100-g subsamples were enriched for the presence of Salmonella...
August 2016: Journal of Food Protection
Michael T Aaberg, Thomas M Aaberg
PURPOSE: To describe the development of uveitis and retinal vasculitis in association with pembrolizumab treatment for metastatic uveal melanoma. METHODS: A case report and a brief review of the literature are presented. Information collected and reported include the patient's clinical course, physical examination findings, fluorescein angiogram images, retinal photographs, and her response to treatment. RESULTS: A 54-year-old woman was diagnosed with a large choroidal malignant melanoma and had the affected eye enucleated...
August 2, 2016: Retinal Cases & Brief Reports
Yuya Terubayashi, Teruyo Kida, Masanori Fukumoto, Jun Sugasawa, Seita Morishita, Hiroyuki Suzuki, Tsunehiko Ikeda
PURPOSE: Retinal arterial macroaneurysm (RAM) has been reported in association with branch retinal vein occlusion (BRVO), and usually BRVO precedes RAM. We present a long-term follow-up case report of unilateral multiple RAMs that developed BRVO following ruptured RAM in the same retinal quadrant. CASE PRESENTATION: An 80-year-old woman presented with floaters in her right eye in June 2012. Visual acuity (VA) was 20/25 in her right eye with posterior capsular opacity...
January 2016: Case Reports in Ophthalmology
Khawla Abusamra, Merih Oray, Nazanin Ebrahimiadib, Stacey Lee, Stephen Anesi, C Stephen Foster
PURPOSE: To describe clinical manifestations, diagnostic approaches, therapy, and outcomes of biopsy-proven intraocular lymphoma. METHODS: Review of tertiary referral center records between 2005 and 2015. RESULTS: A total of 51 eyes of 26 patients were included; mean age of onset was 60.42 years. Common ocular complaints included floaters (42%) and blurred vision (35%); 62% of patients had ocular and central nervous system involvement; 11% had systemic lymphoma; and 27% had only ocular involvement...
July 20, 2016: Ocular Immunology and Inflammation
Francesco Morescalchi, Elena Gambicorti, Sarah Duse, Ciro Costagliola, Francesco Semeraro
INTRODUCTION: Pharmacologic vitreolysis is a strategy used to treat anomalous posterior vitreous detachment, by weakening vitreoretinal adhesion with an intravitreal drug. Pharmacologic vitreolysis facilitates surgery, and abnormalities of the vitreoretinal interface including vitreomacular traction (VMT) and early stage macular hole (MH) could be resolved. Ocriplasmin is a recombinant protease, active against fibronectin and laminin, which are important components of the vitreoretinal interface...
September 2016: Expert Opinion on Drug Safety
Leonie J van der Geest, Martin J Siemerink, Marco Mura, Maarten P Mourits, Ruth Lapid-Gortzak
PURPOSE: To evaluate the refractive accuracy of intraocular lens (IOL) power calculation after phacovitrectomy. SETTING: Eye Hospital Zonnestraal and Department of Ophthalmology Academic Medical Center, Amsterdam, the Netherlands. DESIGN: Retrospective comparative case series. METHODS: Refraction results 1 month after phacovitrectomy or phacoemulsification were compared with predicted refractions calculated using the IOLMaster 500 and the Haigis formula...
June 2016: Journal of Cataract and Refractive Surgery
Michael Reich, Ivanka Dacheva, Matthias Nobl, Justyna Siwy, Joost P Schanstra, William Mullen, Frank H J Koch, Jürgen Kopitz, Florian T A Kretz, Gerd U Auffarth, Michael J Koss
PURPOSE: To analyze the protein profile of human vitreous of untreated patients with retinal vein occlusion (RVO). METHODS: Sixty-eight vitreous humor (VH) samples (44 from patients with treatment naïve RVO, 24 controls with idiopathic floaters) were analyzed in this clinical-experimental study using capillary electrophoresis coupled to mass spectrometer and tandem mass spectrometry. To define potential candidate protein markers of RVO, proteomic analysis was performed on RVO patients (n = 30) and compared with controls (n = 16)...
2016: PloS One
Devon H Ghodasra, Ryan Fante, Thomas W Gardner, Michael Langue, Leslie M Niziol, Cagri Besirli, Steven R Cohen, Vaidehi S Dedania, Hakan Demirci, Nieraj Jain, K Thiran Jayasundera, Mark W Johnson, Partho S Kalyani, Rajesh C Rao, David N Zacks, Jeffrey M Sundstrom
PURPOSE: The goals of this study were to evaluate the safety of office-based vitreous sampling, and determine the utility of these samples with multiplex cytokine analysis. METHODS: Vitreous samples were collected from office-based needle aspiration and the rate of adverse events during follow-up was reviewed. The vitreous cytokine concentrations in a subset of patients with diabetic macular edema (DME) were analyzed using a 42 plex-cytokine bead array. These results were compared with vitreous cytokine concentrations in proliferative diabetic retinopathy (PDR) and controls (macular hole, epiretinal membrane, symptomatic vitreous floaters) from pars plana vitrectomy...
June 1, 2016: Investigative Ophthalmology & Visual Science
Miguel A Zapata, Gabriel Arcos, Alex Fonollosa, Maximino Abraldes, Andrea Oleñik, Estanislao Gutierrez, Jose Garcia-Arumi
PURPOSE: Describe the first 3 years of highly specialized retinal screening through a web platform using a retinologists' network for image reading. METHODS: All patients who came to centers in the network and consented to fundus photography were included. Images were evaluated by ophthalmologists. We describe number of patients, age, visual acuity, retinal abnormalities, medical recommendations, and factors associated with abnormal retinographies. RESULTS: Fifty thousand three hundred eighty-four patients were included; mean age 52...
May 26, 2016: Telemedicine Journal and E-health: the Official Journal of the American Telemedicine Association
Alasdair N Warwick, Fatima Shawkat, Andrew J Lotery
BACKGROUND: Autosomal dominant cone-rod dystrophy 7 (CORD7) has been previously associated with the RIM1 c.2459G>A (Arg820His) mutation. Cystoid macular oedema (CMO) is a rare feature of CORD and has not been described in CORD7. We report a patient who was heterozygous for the RIM1 mutation with bilateral CMO and who manifested a retinitis pigmentosa phenotype. MATERIALS AND METHODS: The patient's medical notes were retrospectively reviewed over an 18-month period...
May 13, 2016: Ophthalmic Genetics
Irini Chatziralli, George Theodossiadis, Paraskevi Xanthopoulou, Michael Miligkos, Sobha Sivaprasad, Panagiotis Theodossiadis
PURPOSE: We aimed to provide a meta-analysis of the factors affecting vitreomacular traction (VMT) resolution after ocriplasmin use. A comprehensive systematic review of the complications after ocriplasmin use for VMT and macular hole was also done. METHODS: A literature search in PubMed was performed for studies about ocriplasmin published before 30 June 2015. Then a meta-analysis of the factors affecting the VMT resolution after ocriplasmin use was done, providing the pooled odds ratios for each factor and 95 % confidence intervals (CIs)...
July 2016: Graefe's Archive for Clinical and Experimental Ophthalmology
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