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https://www.readbyqxmd.com/read/28650920/intraoperative-imaging-of-retained-perfluorocarbon-liquid-using-spectral-domain-optical-coherence-tomography
#1
Margaret R Strampe, Mark M Kaehr, Joseph Carroll, Judy E Kim
PURPOSE: To report images of retained perfluorocarbon liquid (PFCL) on the surface of the retina obtained during an intraoperative use of hand-held spectral domain optical coherence tomography. METHODS: A 54-year-old man underwent pars plana vitrectomy with injection of PFCL to repair retinal detachment. Postoperatively, visually significant PFCL droplets were found to be retained in the eye. During the surgical removal of PFCL, a hand-held spectral domain optical coherence tomography was used to image the retina with the patient supine...
June 19, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28629380/retinal-and-vitreous-metastases-from-hepatocholangiocarcinoma
#2
Anna Praidou, Sarita Jacob, Luciane Irion, Ramesh Sivaraj, Carl Groenewald, Sarah E Coupland, Heinrich Heimann
BACKGROUND: To report a case of metastatic hepatocholangiocarcinoma to the vitreous and retina. CASE PRESENTATION: A 70-year-old male, who was recently diagnosed with hepatocholangiocarcinoma, was complaining of floaters in his right eye over the past 5 months and was referred to the Liverpool Ocular Oncology Centre. On presentation, his visual acuity in the right eye was 6/24. Fundus exam revealed a whitish, unilateral, full-thickness retinal lesion at the inferotemporal arcade of his right eye, with vitreous infiltration and subretinal fluid...
June 19, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28626418/rapid-cataract-progression-after-nd-yag-vitreolysis-for-vitreous-floaters-a-case-report-and-literature-review
#3
I-Ting Sun, Tsung-Han Lee, Chih-Hsin Chen
PURPOSE: We report a case of rapid cataract progression after Nd:YAG vitreolysis for vitreous floaters. CASE REPORT: A 55-year-old man presented with acute onset of blurred vision following Nd:YAG vitreolysis for symptomatic floaters in the left eye. His initial best corrected visual acuity (BCVA) was 20/1,000 in the left eye. Ocular examinations showed frost-like opacities of the lens and a suspected break of the posterior capsule in the left eye. There were no detectable retinal lesions...
May 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28624951/prefoveal-floaters-as-a-differential-diagnosis-to-optic-neuritis-mouches-dormantes
#4
Marloes C Burggraaff, Willemine A E J de Vries-Knoppert, Axel Petzold
This case series describes a new optical coherence tomography (OCT) specific observation relevant to the differential diagnosis of patients with suspected optic neuritis. A tiny prefoveal floater, only detectable by OCT, was found responsible for the symptoms in three patients, one of whom had been referred with unilateral delayed visual evoked potentials. This case series suggests that with increased use of OCT in routine clinical care, entoptic phenomena can be demonstrated as a relevant differential diagnosis to optic neuritis...
June 17, 2017: Acta Neurologica Belgica
https://www.readbyqxmd.com/read/28617905/incidence-of-presumed-silicone-oil-droplets-in-the-vitreous-cavity-after-intravitreal-bevacizumab-injection-with-insulin-syringes
#5
Rahul N Khurana, Louis K Chang, Travis C Porco
Importance: Intravitreal bevacizumab is a frequently used antivascular endothelial growth factor medication in the United States, but its off-label use is associated with risks associated with the compounding preparation. Objective: To determine the incidence of presumed silicone oil droplets after intravitreal bevacizumab was prepared in insulin syringes by a compounding pharmacy. Design, Setting, and Participants: A retrospective review was conducted of 60 patients who experienced intravitreal silicone oil droplets in the eye after intravitreal bevacizumab injections from a single specialist practice from October 1, 2015, to November 30, 2016...
June 15, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28609597/keeping-an-eye-on-syphilis
#6
Daini Ong, Gaurav Bhardwaj, Jason Ong, Marcus Chen, Lyndell L Lim
BACKGROUND: The objective of this article was to alert general practitioners (GPs) to the increase in ocular syphilis in the context of a worsening epidemic of syphilis among men who have sex with men (MSM). METHODS: This study used a retrospective case review of ocular syphilis cases that presented to the Royal Victorian Eye and Ear Hospital from January 2015 to August 2016. RESULTS: Twelve patients (19 eyes) were identified, including 11 males...
June 2017: Australian Family Physician
https://www.readbyqxmd.com/read/28570745/nd-yag-laser-vitreolysis-versus-pars-plana-vitrectomy-for-vitreous-floaters
#7
REVIEW
Jan Kokavec, Zhichao Wu, Justin C Sherwin, Alan Js Ang, Ghee Soon Ang
BACKGROUND: The vitreous is the clear jelly of the eye and contains fine strands of proteins. Throughout life the composition of this vitreous changes, which causes the protein strands in it to bundle together and scatter light before it reaches the retina. Individuals perceive the shadows cast by these protein bundles as 'floaters'. Some people are so bothered by floaters that treatment is required to control their symptoms. Two major interventions for floaters include Nd:YAG laser vitreolysis and vitrectomy...
June 1, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28536762/bilateral-acute-retinal-necrosis-after-bilateral-cataract-surgery-in-an-immunocompromised-patient-a-case-report
#8
Chun Yue Mak, Helena Pui-Yee Sin, Mary Ho, Vesta Cheuk-Ki Chan, Alvin Lerrmann Young, Marten Erik Brelen
PURPOSE: To report a case of bilateral varicella zoster virus (VZV)-associated acute retinal necrosis (ARN) occurring after both eyes sequential cataract surgery in an elderly immunocompromised patient. METHODS: Medical records and investigation results of the patient were reviewed. RESULTS: Patient experienced floaters and blurring of vision in both eyes 4 weeks after her second uncomplicated cataract surgery. Clinical signs of granulomatous keratic precipitates, prominent vitritis, retinitis and vascular thrombosis were noted in both eyes...
May 23, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28468639/botulinum-toxin-induced-acute-anterior-uveitis-in-a-patient-with-beh%C3%A3-et-s-disease-under-infliximab-treatment-a-case-report
#9
Hirofumi Sasajima, Syunsuke Yagi, Hiromu Osada, Masahiro Zako
BACKGROUND: Injections of lipopolysaccharide in animal models generate acute anterior uveitis (also known as endotoxin-induced uveitis), but the effects of lipopolysaccharide injection are unknown in humans. We describe an unusual case in which acute anterior uveitis was dramatically activated subsequent to botulinum toxin injection in a patient with Behçet's disease but the acute anterior uveitis was satisfactorily attenuated by infliximab. CASE PRESENTATION: A 53-year-old Japanese man had normal ocular findings at his regularly scheduled appointment...
May 4, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28445869/silicone-oil-related-visual-loss
#10
Hamouda Hamdy Ghoraba, Adel Galal Zaky, Mohamed Amin Heikal, Emad Eldin Mohamed Elgemai, Haithem Mamoun Abd Al Fatah
BACKGROUND: Silicone oil (SO) is used as an intravitreal tamponade agent in vitreoretinal surgery for rhegmatogenous retinal detachment (RRD) complicated by proliferative vitreoretinopathy or with large, multiple retinal tears. Usually, SO is left in the eye for at least 3 months. Although its use can lead to well-known complications, intraocular SO is generally well tolerated. Some studies have reported unexpected central vision loss after SO use or removal. OBJECTIVE: To investigate and analyze the reason for visual loss after the use or removal of intraocular SO in patients who underwent vitrectomy surgeries for RRD...
April 27, 2017: Ophthalmologica. Journal International D'ophtalmologie
https://www.readbyqxmd.com/read/28426852/an-outbreak-of-endogenous-fungal-endophthalmitis-among-intravenous-drug-abusers-in-new-england
#11
Aubrey R Tirpack, Jay S Duker, Caroline R Baumal
Importance: Intravenous drug abuse (IVDA) is a known risk factor for endogenous fungal endophthalmitis (EFE), a severe intraocular infection caused by hematogenous seeding of mycotic organisms to the eye. Reporting significant increases in heroin-related deaths since 2014, the New England region is in the midst of an opioid crisis that has led to a substantial increase in patients at risk for this vision-threatening disease. Objective: To present an update on characteristics, management, and visual outcomes in patients with EFE...
June 1, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28424345/floaters-may-buffer-the-extinction-risk-of-small-populations-an-empirical-assessment
#12
Hugo Robles, Carlos Ciudad
The high extinction risk of small populations is commonly explained by reductions in fecundity and breeder survival associated with demographic and environmental stochasticity. However, ecological theory suggests that population extinctions may also arise from reductions in the number of floaters able to replace the lost breeders. This can be particularly plausible under harsh fragmentation scenarios, where species must survive as small populations subjected to severe effects of stochasticity. Using a woodpecker study in fragmented habitats (2004-2016), we provide here empirical support for the largely neglected hypothesis that floaters buffer population extirpation risks...
April 26, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28386429/the-sentinel-behaviour-of-arabian-babbler-floaters
#13
Roni Ostreiher, Aviad Heifetz
The sentinel behaviour of 38 Arabian babbler adult floaters, who lived alone within a territory belonging to a foreign group, was studied and compared with their own sentinel behaviour in the past, when they were group members. All floaters acted as sentinels and uttered 'alarm calls'. This suggests that sentinel activity is due at least, in part, to selfish motives. Floaters sentinelled less than they did as group members, with the decrease in sentinel activity sharper for ex-dominants than for ex-subordinates...
February 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/28321351/bilateral-birdshot-retinochoroiditis-and-retinal-astrocytoma
#14
Sunil Mamtora, Yun Wong, Dugald Bell, Teresa Sandinha
Background. This case highlights the importance of recognising multiple pathologies within the eye which may not necessarily be linked. Both birdshot retinochoroiditis and astrocytoma are rare conditions. The case underlines the need for early identification and treatment of birdshot retinochoroiditis with steroids and disease modifying drugs. Astrocytoma in the absence of tuberous sclerosis is also uncommon. Case Presentation. A 36-year-old male presented with 3-month history of bilateral progressive flashing lights and floaters...
2017: Case Reports in Ophthalmological Medicine
https://www.readbyqxmd.com/read/28306744/ranging-behaviour-and-habitat-preferences-of-the-martial-eagle-implications-for-the-conservation-of-a-declining-apex-predator
#15
Rowen van Eeden, D Philip Whitfield, Andre Botha, Arjun Amar
Understanding the ranging behaviours of species can be helpful in effective conservation planning. However, for many species that are rare, occur at low densities, or occupy challenging environments, this information is often lacking. The Martial Eagle (Polemaetus bellicosus) is a low density apex predator declining in both non-protected and protected areas in southern Africa, and little is known about its ranging behaviour. We use GPS tags fitted to Martial Eagles (n = 8) in Kruger National Park (KNP), South Africa to describe their ranging behaviour and habitat preference...
2017: PloS One
https://www.readbyqxmd.com/read/28301412/large-silicone-droplets-after-intravitreal-bevacizumab-avastin
#16
Robert L Avery, Alessandro A Castellarin, Dilsher S Dhoot, Dante J Pieramici, Maʼan A Nasir, Nathan C Steinle, Logan P Avery, Gabriel M Gordon
PURPOSE: Despite its off-label status, intravitreal bevacizumab is the most commonly used intraocular anti-vascular endothelial growth factor agent. Regulation of compounding pharmacies has recently increased to make compounded pharmaceuticals safer. Despite these changes, a marked increase in symptomatic, large silicone oil droplets following intravitreal bevacizumab injections was noticed. METHODS: Retrospective chart review was performed. Within a single private practice, patients who were noted to have large or symptomatic silicone oil bubbles after an intravitreal injection were reviewed...
March 15, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28247073/-proteome-analysis-of-undiluted-vitreous-humor-in-patients-with-branch-retinal-vein-occlusion
#17
I Dacheva, M Reich, M Nobl, K Ceglowska, J Wasiak, J Siwy, P Zürbig, H Mischak, F H J Koch, J Kopitz, F T A Kretz, T Tandogan, G U Auffarth, M J Koss
BACKGROUND: The pathophysiological mechanisms of macular edema secondary to branch retinal vein occlusion (BRVO) remain unclear. OBJECTIVES: To analyze the protein profile of human vitreous of patients with BRVO and to identify specific dysregulated proteins. MATERIALS AND METHODS: Undiluted vitreous humor samples from patients with treatment naïve BRVO and 15 controls with idiopathic floaters were analyzed in this clinical-experimental study using capillary electrophoresis coupled to a mass spectrometer (CE-MS) and tandem mass spectrometry (MS/MS)...
February 28, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/28221830/from-individual-to-group-territoriality-competitive-environments-promote-the-evolution-of-sociality
#18
Markus Port, Oliver Schülke, Julia Ostner
In many animal species individuals compete for the sole possession of a breeding territory, whereas in other species communal territories are shared among same-sex conspecifics. Under what conditions does natural selection favor the evolution of individual territoriality, and under what conditions does it favor the evolution of sociality? We develop a self-consistent game-theoretic model that allows for feedbacks between evolutionary and population dynamics. In this model, nonresident floaters can chose between three strategies: they can wait for a territory vacancy to arise, they can try to forcefully take over an already-occupied territory, or they can share a territory with an established resident...
March 2017: American Naturalist
https://www.readbyqxmd.com/read/28203195/27-gauge-vitrectomy-for-symptomatic-vitreous-floaters-with-topical-anesthesia
#19
Zhong Lin, Nived Moonasar, Rong Han Wu, Robin R Seemongal-Dass
PURPOSE: Traditionally acceptable methods of anesthesia for vitrectomy surgery are quite varied. However, each of these methods has its own potential for complications that can range from minor to severe. The surgery procedure of vitrectomy for symptomatic vitreous floaters is much simpler, mainly reflecting in the nonuse of sclera indentation, photocoagulation, and the apparently short surgery duration. The use of 27-gauge cannulae makes the puncture of the sclera minimally invasive...
January 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28161928/two-port-pars-plana-anterior-and-central-core-vitrectomy-lam-floaterectomy-in-combination-with-phacoemulsification-and-intraocular-lens-implantation-under-topical-anesthesia-for-patients-with-cataract-and-significant-floaters-results-of-the-first-50-consecutive
#20
Dennis S C Lam, Hiu Ying Leung, Shu Liu, Nishant Radke, Ye Yuan, Vincent Y W Lee
PURPOSE: To study the safety and efficacy of 2-port pars plana anterior and central core vitrectomy (Lam floaterectomy) in combination with phacoemulsification (phaco) and intraocular lens implantation (IOL) for patients with cataract and significant floaters under topical anesthesia. DESIGN: Retrospective review of the first 50 consecutive cases. METHODS: A standardized treatment protocol was used for patients with cataract and significant (moderate to severe) floaters (duration > 3 months)...
January 2017: Asia-Pacific Journal of Ophthalmology
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