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Ocular trauma

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https://www.readbyqxmd.com/read/28340081/retroocular-and-subdural-hemorrhage-or-hemosiderin-deposits-in-pediatric-autopsies
#1
Marc R Del Bigio, Susan M Phillips
The presence of hemosiderin in the optic nerve sheath and/or retina is sometimes used to estimate the timing of injury in infants or children with suspected non-accidental head trauma. To determine the prevalence of hemosiderin in deaths not associated with trauma, we performed a prospective study of retroocular orbital tissue, cranial convexity, and cervical spinal cord dura mater in infants and children <2.5 years age. In 53 cases of non-traumatic death, approximately 70% had blood or hemosiderin within the orbital fat, ocular muscles, and parasagittal cranial and/or cervical spinal subdural compartment...
March 14, 2017: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/28333853/multimodal-imaging-in-vortex-vein-varices
#2
Chiara Veronese, Giovanni Staurenghi, Marco Pellegrini, Chiara Maiolo, Laura Primavera, Mariachiara Morara, Grayson W Armstrong, Antonio P Ciardella
PURPOSE: The aim of this study is to describe the clinical presentation of vortex vein varices with multimodal imaging. METHODS: The authors carried out a retrospective case series of eight patients (7 female, 1 male) with an average age of 60.2 years (min 8, max 84, median 68.5) presenting with vortex vein varices. All patients were evaluated at the Sant'Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy and at Luigi Sacco Hospital, University of Milan, Milan, Italy...
March 22, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28304388/pirfenidone-inhibits-post-traumatic-proliferative-vitreoretinopathy
#3
B N M K Khanum, R Guha, V P Sur, S Nandi, S K Basak, A Konar, S Hazra
PurposeThe purpose of the study was to evaluate the efficacy and safety of intravitreal pirfenidone for inhibition of proliferative vitreoretinopathy (PVR) in a model of penetrating ocular injury.Patients and methodsPenetrating trauma was induced on the retina of rabbit and treated either with 0.1 ml of phosphate-buffered saline (PBS) or 0.1 ml of 0.5% pirfenidone, and development of PVR was evaluated clinically and graded after 1 month. Histopathology and immunohistochemistry with transforming growth factor beta (TGFβ), alpha smooth muscle actin (αSMA), and collagen-1 were performed to assess the fibrotic changes...
March 17, 2017: Eye
https://www.readbyqxmd.com/read/28303330/ocular-trauma-score-as-prognostic-value-in-traumatic-ocular-injuries-due-to-rotating-wire-brushes
#4
Konstantine Purtskhvanidze, Florian Rüfer, Alexa Klettner, Christoph Borzikowsky, Johann Roider
PURPOSE: Rotating wire brushes are used, e.g., for rust removal. Detaching fragments can cause severe eye injuries. The purpose of this study was to investigate mechanism, severity, clinical outcome, validity of Ocular Trauma Score (OTS) and to assess the likelihood of final visual acuity. METHODS: Twenty patients with traumatic ocular injuries by rotating wire brushes were included. Location and type of injury, grade of injury according to OTS, surgical procedure, and development of visual acuity were evaluated...
March 16, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28301661/treatment-of-ocular-pyogenic-granuloma-with-topical-timolol
#5
Isdin Oke, Maan Alkharashi, Robert A Petersen, Alena Ashenberg, Ankoor S Shah
Importance: Pyogenic granulomas, acquired vascular lesions, form on the ocular or palpebral surface related to inflammation from chalazia, trauma, or surgery. They can be unsightly, spontaneously bleed, and cause irritation to patients. Observations: A case series is presented of 4 consecutive children with acquired ocular surface pyogenic granulomas treated at Boston Children's Hospital from 2014 to 2016 with only topical timolol, 0.5%, twice daily for a minimum of 21 days...
March 16, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28299011/management-of-giant-retinal-tear-detachments
#6
REVIEW
Maria H Berrocal, Megan L Chenworth, Luis A Acaba
Giant retinal tears (GRTs) are full-thickness circumferential tears of more than 90 degrees of the retina that are associated with vitreous detachment. They are related to ocular trauma, high myopia, aphakia, pseudophakia, genetic mutations involving collagen and young age. GRTs comprise 1.5% of all rhegmatogenous retinal detachments and the average age of incidence is 42 years. GRTs are more common in males, as 72% of all cases occur in males. The incidence of GRTs in the general population is estimated to be 0...
January 2017: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/28298316/paediatric-infectious-keratitis-a-case-series-of-107-children-presenting-to-a-tertiary-referral-centre
#7
Julia Dutra Rossetto, Kara M Cavuoto, Carla J Osigian, Ta Chen Peter Chang, Darlene Miller, Hilda Capo, Oriel Spierer
BACKGROUND/AIMS: Corneal ulcers can result in severe visual impairment in children. The recent trends of paediatric microbial ulcerative keratitis in the USA are unknown. The purpose of this study is to report the risk factors, microbiological profile and treatment outcomes of paediatric microbial keratitis in South Florida. METHODS: A university-based tertiary eye care centre retrospective case series between 1992 and 2015. Medical records of 107 paediatric patients (age <18 years) with the diagnosis of microbial ulcerative keratitis were analysed...
March 15, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28292273/ocular-bacterial-infections-at-quiha-ophthalmic-hospital-northern-ethiopia-an-evaluation-according-to-the-risk-factors-and-the-antimicrobial-susceptibility-of-bacterial-isolates
#8
Mebrahtu Teweldemedhin, Muthupandian Saravanan, Araya Gebreyesus, Dawit Gebreegziabiher
BACKGROUND: External and intraocular infections can lead to visual impairments, which is a major public health problem. Bacteria are the most frequent pathogens affecting ocular structures; the increasing rate of antimicrobial drug resistance is a worldwide concern. The aim of this study was to determine the occurrence of bacteria in ocular infections, their antimicrobial susceptibility patterns, and risk factors in bacterial ocular infection. METHODS: A hospital based cross-sectional study was conducted from September 2015 to December 2015 at Quiha Ophthalmic Hospital, Tigray, northern Ethiopia...
March 14, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28291481/self-reported-visual-quality-of-life-after-combat-ocular-trauma
#9
Andrew McLaughlin, Marcus H Colyer, Denise S Ryan, Rose K Sia, Eric D Weichel, Andrew Spiegelman, S G Eaddy, Robert A Mazzoli, Kraig S Bower
OBJECTIVES: To describe the visual outlook and quality of life of service members after combat ocular trauma. METHODS: In a single-center, prospective observational study of service members sustaining ocular trauma, participants underwent a series of ocular examinations and noninvasive tests, including the National Eye Institute Visual Functioning Questionnaire (VFQ-25). RESULTS: Of the 165 enrolled participants, 137 completed the VFQ-25. The mean VFQ-25 composite score was 74...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28291478/blast-wave-dynamics-at-the-cornea-as-a-function-of-eye-protection-form-and-fit
#10
Steven T Williams, Thomas H Harding, J Keegan Statz, John S Martin
A shock tube and anthropomorphic headforms were used to investigate eye protection form and fit using eyewear on the Authorized Protective Eyewear List in primary ocular blast trauma experiments. Time pressure recordings were obtained from highly linear pressure sensors mounted at the cornea of instrumented headforms of different sizes. A custom shock tube produced highly reliable shock waves and pressure recordings were collected as a function of shock wave orientation and protective eyewear. Eyewear protection coefficients were calculated as a function of a new metric of eyewear fit...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28291461/corneal-and-corneoscleral-injury-in-combat-ocular-trauma-from-operations-iraqi-freedom-and-enduring-freedom
#11
Anton Vlasov, Denise S Ryan, Spencer Ludlow, Andrew Coggin, Eric D Weichel, Richard D Stutzman, Kraig S Bower, Marcus H Colyer
OBJECTIVES: To examine the incidence and the etiology of corneal and corneoscleral injuries in the setting of combat ocular trauma, and to determine what effect these injuries have on overall visual impairment from combat ocular trauma. METHODS: Retrospective, noncomparative, interventional case series, analyzing U.S. service members who were evacuated to the former Walter Reed Army Medical Center (WRAMC). Primary outcome measures were types of corneal injuries, length of follow-up at WRAMC, globe survival, and anatomical causes of blindness...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28289914/firecracker-eye-exposure-experimental-study-and-simulation
#12
Chiara Clemente, Luca Esposito, Domenico Speranza, Nicola Bonora
Understanding the mechanisms of traumatic ocular injury is helpful to make accurate diagnoses before the symptoms emerge and to develop specific eye protection. The comprehension of the dynamics of primary blast injury mechanisms is a challenging issue. The question is whether the pressure wave propagation and reflection alone could cause ocular damage. To date, there are dissenting opinions and no conclusive evidence thereupon. A previous numerical investigation of blast trauma highlighted the dynamic effect of pressure propagation and its amplification by the geometry of the bony orbit, inducing a resonance cavity effect and a standing wave hazardous for eye tissues...
March 13, 2017: Biomechanics and Modeling in Mechanobiology
https://www.readbyqxmd.com/read/28288588/siderotic-cataract-with-no-signs-of-intraocular-foreign-body
#13
Ke-Ke Zhang, Wen-Wen He, Yi Lu, Xiang-Jia Zhu
BACKGROUND: Ocular siderosis is a clinical condition induced by deposition of an iron-containing intraocular foreign body. We report a unique case of histopathologically proven lens siderosis in a young woman with a preceding history of trauma but no signs of retained intraocular foreign body. CASE PRESENTATION: A 32-year-old woman presented with an opacified lens showing brownish deposits on the anterior capsule and underwent cataract surgery. Preoperative ophthalmic examination did not show any retained intraocular foreign body...
March 14, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28282696/analysis-of-ocular-firework-related-injuries-and-common-eye-traumata-a-5-year-clinical-study
#14
S Frimmel, O M Theusinger, C Kniestedt
Background A comparative study of eye injuries related to fireworks or acts of violence around New Year's Eve and the Swiss National Day on August 1st. The two groups were compared with respect to the overall numbers of eye accidents within the period of review. Patients and Methods Retrospective analysis of emergency consultations at the Department of Ophthalmology, University Hospital Zurich with eye accidents around the Swiss National Day on August 1st and New Year's Eve over the last 5 years. Two subgroups were formed: (1) Firework-related eye traumata, (2) Eye injuries due to acts of violence...
March 10, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28274942/socioeconomic-deprivation-and-serious-ocular-trauma-in-scotland-a-national-prospective-study
#15
Liying Low, James Hodson, Daniel Morris, Parul Desai, Caroline MacEwen
OBJECTIVE: To identify the population at risk of serious ocular trauma by exploring relationships with socioeconomic factors. DESIGN: National, prospective, population-based, cross-sectional and follow-up study. PARTICIPANTS: Patients with serious ocular trauma requiring hospital admission in Scotland. METHODS: Case definition and ascertainment-cases of serious ocular trauma necessitating admission to hospital under the care of a consultant ophthalmologist were identified using the British Ophthalmological Surveillance Unit reporting scheme...
March 8, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28269244/portable-video-oculography-device-for-implementation-in-sideline-concussion-assessments-a-prototype
#16
Joshua D Fischer, Dawie J van den Heever
Concussion is currently a serious health problem and can lead to severe brain dysfunction. There is a definite need for sensitive and reliable tests to detect and evaluate the subtle changes in brain function caused by concussion. This study details the development of a low cost portable eye tracking device that can aid in the detection of concussions. The device evaluates ocular motor function and can be used on the sidelines of sporting events to give a quick indication of the severity of head trauma. It can further be used to evaluate and monitor mild Traumatic Brain Injuries and aid in the return to play decision making process...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28264220/-rupture-of-the-retinal-pigment-epithelium-rpe-at-the-ora-serrata-due-to-blunt-ocular-trauma
#17
Bernhard M Stoffelns, Panagiotis Laspas
No abstract text is available yet for this article.
March 6, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28260859/the-uk-paediatric-ocular-trauma-study-1-pots1-development-of-a-global-standardized-protocol-for-prospective-data-collection-in-pediatric-ocular-trauma
#18
Freda Sii, Robert J Barry, Richard J Blanch, Joseph Abbott, Caroline J MacEwen, Peter Shah
BACKGROUND: Ocular trauma is an important cause of visual morbidity in children worldwide. Pediatric ocular trauma accounts for up to one third of all ocular trauma admissions, with significant economic implications for health care providers. It is estimated that 90% of all ocular trauma is preventable. Development of strategies to reduce the incidence and severity of pediatric ocular trauma requires an understanding of the epidemiology of these injuries and their characteristics. This will enable appropriate targeting of resources toward prevention and allow effective service planning...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28259707/clinical-and-molecular-phenotyping-of-a-child-with-hermansky-pudlak-syndrome-7-an-uncommon-genetic-type-of-hps
#19
Melanie M Bryan, Nathanial J Tolman, Karen L Simon, Marjan Huizing, Robert B Hufnagel, Brian P Brooks, Vladislav Speransky, James C Mullikin, William A Gahl, May Christine V Malicdan, Bernadette R Gochuico
PURPOSE: Hermansky-Pudlak syndrome (HPS) is a rare inherited disorder with ten reported genetic types; each type has defects in subunits of either Adaptor Protein-3 complex or Biogenesis of Lysosome-related Organelles Complex (BLOC)-1, -2, or -3. Very few patients with BLOC-1 deficiency (HPS-7, -8, and -9 types) have been diagnosed. We report results of comprehensive clinical testing and molecular analyses of primary fibroblasts from a new case of HPS-7. RESULTS: A 6-year old Paraguayan male presented with hypopigmentation, ocular albinism, nystagmus, reduced visual acuity, and easy bruising...
February 27, 2017: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/28235348/ocular-movement-nerve-palsy-after-mild-head-trauma-rare-entity-that-needs-more-exact-definition-and-classification
#20
Guichen Li, Kun Hou
No abstract text is available yet for this article.
February 2017: World Neurosurgery
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