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https://www.readbyqxmd.com/read/27921205/consistent-pattern-in-positional-instability-of-polyfocal-full-optics-accommodative-iol
#1
Yu Cheol Kim, Kyung Tae Kang, Youngdo Yeo, Ki-San Kim, Frank S Siringo
PURPOSE: We describe cases of dislocation or subluxation of the WIOL-CF(®) polyfocal full-optics intraocular lens (IOL) and suggest a consistent pattern and possible mechanism for the IOL instability. METHODS: This is a retrospective case series of five consecutive eyes in three patients with WIOL-CF(®) IOL instability at Keimyung University Dongsan Medical Center and Kimkisan Eye Center from 2012 to 2014. The medical records and ocular exam data for these patients were analyzed...
December 5, 2016: International Ophthalmology
https://www.readbyqxmd.com/read/27768185/community-based-intervention-determines-tele-audiology-site-candidacy
#2
Laura Coco, Craig A Champlin, Robert H Eikelboom
Purpose: Sections of the community face barriers to accessing audiology services. The aim of this study was to assess the barriers faced by people in typically underserved community settings and to provide audiology services in their natural environment. Information gathered by questionnaire was used to determine each site's candidacy as a potential tele-audiology site. Method: Sixty-three participants were recruited across 3 community sites that were identified as gathering places for individuals who experience barriers to accessing traditional clinical audiology services...
October 1, 2016: American Journal of Audiology
https://www.readbyqxmd.com/read/27220260/development-of-strabismus-in-children-initially-diagnosed-with-pseudostrabismus
#3
Nazife Sefi-Yurdakul, Betül Tuğcu
PURPOSE: To evaluate the incidence of strabismus in children initially diagnosed with pseudostrabismus and to identify risk factors for the development of strabismus. METHODS: The medical records of patients who were diagnosed with pseudostrabismus at initial examinations in outpatient clinic were reviewed retrospectively. Follow-up examinations were made at the strabismus department. Age at first examination, gender, family and developmental history, ophthalmic and orthoptic findings including orbit, and eyelid pathologies were investigated...
June 2016: Strabismus
https://www.readbyqxmd.com/read/27209864/effectiveness-of-integrated-simulation-and-clinical-experiences-compared-to-traditional-clinical-experiences-for-nursing-students
#4
COMPARATIVE STUDY
Eileen D Curl, Sheila Smith, Le Ann Chisholm, Leah Anne McGee, Kumar Das
AIM: The focus of this research study was the evaluation of the effectiveness of using high-fidelity simulations to replace 50 percent of traditional clinical experiences in obstetrics, pediatrics, critical care, and mental health nursing. BACKGROUND: Increasing student admissions to nursing programs require additional clinical learning opportunities to accommodate extra students. METHOD: Three schools with associate degree nursing programs partnered to identify, implement, and evaluate a creative solution to this dilemma...
March 2016: Nursing Education Perspectives
https://www.readbyqxmd.com/read/27070652/does-poor-quality-schooling-and-or-teacher-quality-hurt-black-south-african-students-enrolling-for-a-degree-at-the-university-of-kwazulu-natal
#5
Mike Murray
UNLABELLED: Wealthy schools appoint better qualified teachers, less wealthy schools under qualified teachers. Added to this mix is a powerful teacher's union whose policies attempt to entrench the job security of teachers in the less wealthy schools irrespective of whether they can teach their subjects or not. Can one isolate these effects from that of other socio-demographic factors that may also be affecting the performance of students when they enrol for a degree at the University of KwaZulu-Natal (UKZN)? An outcome variable that subtracts the number of courses that have been failed from the number of courses that have been passed, dividing this by the total number of years that they have spent studying for a particular degree will be used as a response variable for this paper...
2016: PloS One
https://www.readbyqxmd.com/read/27033302/multidimensional-approach-to-teaching-anatomy-do-gender-and-learning-style-matter
#6
Gertraud Gradl-Dietsch, Tabea Korden, Ali Modabber, Tolga Taha Sönmez, Jan-Philipp Stromps, Bergita Ganse, Hans-Christoph Pape, Matthias Knobe
BACKGROUND: The aim of this study was to assess the impact of two teaching interventions (ultrasound and arthroscopy) in a peer teaching (PT) environment on anatomy examination scores and also to examine the influence of gender and learning style on these scores. METHODS: We randomly assigned 484 second year medical students to one of three groups: musculoskeletal ultrasound (MSUS), arthroscopy (ASC) and control (CON). The MSUS- and the ASC-group attended two additional training sessions in ultrasound or arthroscopy; the CON-group received no additional lessons...
March 28, 2016: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/27032664/prison-and-community-populations-at-ultra-high-risk-of-psychosis-differences-and-challenges-for-service-provision
#7
Manuela Jarrett, Tom K Jamieson-Craig, Andrew Forrester, Philip McGuire, Steven Badger, Paolo Fusar-Poli, Majella Byrne, Paul Williams, Lucia R Valmaggia
OBJECTIVE: The aim of the study was to explore the feasibility of expanding a community service for early detection of psychosis into a local London prison for men in the United Kingdom. METHODS: All new receptions to a local prison for men in South London were approached for routine screening. Those who met criteria for being at ultra-high-risk of psychosis were compared with a help-seeking sample from the community who met the same criteria. Clinical and sociodemographic characteristics were compared to determine whether the prison and community populations had similar profiles and mental health needs...
September 1, 2016: Psychiatric Services: a Journal of the American Psychiatric Association
https://www.readbyqxmd.com/read/26444405/the-concussion-toolbox-the-role-of-vision-in-the-assessment-of-concussion
#8
REVIEW
Rachel E Ventura, Laura J Balcer, Steven L Galetta
Concussion may lead to subtle changes in brain function, and tests involving the visual system probe higher cortical functioning and increase our sensitivity in detecting these changes. Concussions are acutely and sometimes more persistently associated with abnormalities in balance, cognition, and vision. The visual system involves roughly half of the brain's circuits, including many regions susceptible to head impacts. After a concussion, the neuro-ophthalmologic exam commonly detects abnormalities in convergence, accommodation, the vestibulo-ocular reflex, ocular muscle balance, saccades, and pursuit...
October 2015: Seminars in Neurology
https://www.readbyqxmd.com/read/26388145/near-surface-properties-of-mixtures-of-propylammonium-nitrate-with-n-alkanols-1-nanostructure
#9
Aaron Elbourne, Samuel Cronshaw, Kislon Voïtchovsky, Gregory G Warr, Rob Atkin
In situ amplitude modulated-atomic force microscopy (AM-AFM) has been used to probe the nanostructure of mixtures of propylammonium nitrate (PAN) with n-alkanols near a mica surface. PAN is a protic ionic liquid (IL) which has a bicontinuous sponge-like nanostructure of polar and apolar domains in the bulk, which becomes flatter near a solid surface. Mixtures of PAN with 1-butanol, 1-octanol, and 1-dodecanol at 10-70 vol% n-alkanol have been examined, along with each pure n-alkanol, to reveal the effect of composition and n-alkanol chain length...
October 28, 2015: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/26384935/weight-status-measures-collected-in-the-healthy-communities-study-protocols-and-analyses
#10
Christopher J Sroka, Kerry L McIver, Robyn D F Sagatov, S Sonia Arteaga, Edward A Frongillo
The Healthy Communities Study is one of the largest studies to assess the relationship between characteristics of community programs and policies to prevent childhood obesity and obesity-related outcomes. The purpose of this paper is to describe the protocol that was developed for collecting the anthropometric data for the study and the procedures for analyzing the data. Data were collected from 2013 to 2015 and analyses will be completed by mid-2016. During in-home visits, Healthy Communities Study staff collected height, weight, and waist circumference measurements from child participants and height and weight measurements from adult participants...
October 2015: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/26384516/a-joint-frailty-copula-model-between-tumour-progression-and-death-for-meta-analysis
#11
Takeshi Emura, Masahiro Nakatochi, Kenta Murotani, Virginie Rondeau
Dependent censoring often arises in biomedical studies when time to tumour progression (e.g., relapse of cancer) is censored by an informative terminal event (e.g., death). For meta-analysis combining existing studies, a joint survival model between tumour progression and death has been considered under semicompeting risks, which induces dependence through the study-specific frailty. Our paper here utilizes copulas to generalize the joint frailty model by introducing additional source of dependence arising from intra-subject association between tumour progression and death...
September 18, 2015: Statistical Methods in Medical Research
https://www.readbyqxmd.com/read/26380090/summing-the-strokes-energy-economy-in-northern-elephant-seals-during-large-scale-foraging-migrations
#12
J L Maresh, T Adachi, A Takahashi, Y Naito, D E Crocker, M Horning, T M Williams, D P Costa
BACKGROUND: The energy requirements of free-ranging marine mammals are challenging to measure due to cryptic and far-ranging feeding habits, but are important to quantify given the potential impacts of high-level predators on ecosystems. Given their large body size and carnivorous lifestyle, we would predict that northern elephant seals (Mirounga angustirostris) have elevated field metabolic rates (FMRs) that require high prey intake rates, especially during pregnancy. Disturbance associated with climate change or human activity is predicted to further elevate energy requirements due to an increase in locomotor costs required to accommodate a reduction in prey or time available to forage...
2015: Movement Ecology
https://www.readbyqxmd.com/read/26375009/single-cell-activity-reveals-direct-electron-transfer-in-methanotrophic-consortia
#13
Shawn E McGlynn, Grayson L Chadwick, Christopher P Kempes, Victoria J Orphan
Multicellular assemblages of microorganisms are ubiquitous in nature, and the proximity afforded by aggregation is thought to permit intercellular metabolic coupling that can accommodate otherwise unfavourable reactions. Consortia of methane-oxidizing archaea and sulphate-reducing bacteria are a well-known environmental example of microbial co-aggregation; however, the coupling mechanisms between these paired organisms is not well understood, despite the attention given them because of the global significance of anaerobic methane oxidation...
October 22, 2015: Nature
https://www.readbyqxmd.com/read/26373069/research-on-the-electrochemical-performance-of-rutile-and-anatase-composite-tio2-nanotube-arrays-in-lithium-ion-batteries
#14
Jiang Wei, Jian-Xiong Liu, Zheng-Yu Wu, Zhao-Lin Zhan, Jin Shi, Kun Xu
Titanium dioxide is considered as an ideal anode material for lithium-ion batteries. It has many different polymorphs such as anatase and rutile, etc. Both nano-scale rutile and anatase exhibit large potential in accommodating Li ions. Although the electrochemical performance of the rutile or anatase has been studied very well, their combined effect in lithium battery is still unclear at present. In our work, a kind of rutile and anatase composite TiO2 nanotube arrays was synthesized by two steps: anodization and heat treatment...
July 2015: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/26366993/how-do-non-covalent-complexes-dissociate-in-droplets-a-case-study-of-the-desolvation-of-dsdna-from-a-charged-aqueous-nanodrop
#15
Mahmoud Sharawy, Styliani Consta
We present the desolvation mechanism of a double-stranded oligodeoxynucleotide (dsDNA) from an aqueous nanodrop studied by using atomistic molecular dynamics methods. The central theme of this study is the stability of a non-covalently bound complex, in general, and that of a dsDNA in particular, in a droplet environment. Among the factors that may affect the stability of a complex in an evaporating droplet we examine the increase in ion concentration and the distinct droplet morphologies arising from the charge-induced instability...
October 14, 2015: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/26357460/asthenopia-in-schoolchildren
#16
Manuel Ap Vilela, Victor D Castagno, Rodrigo D Meucci, Anaclaudia G Fassa
OBJECTIVE: To assess asthenopia prevalence and associated factors in schoolchildren aged 6-16. METHODS: This was a cross-sectional study of all children attending the first to eighth grades at two public schools in the urban region of a medium-sized town in Southern Brazil between April and December 2012. A questionnaire on socioeconomic and cultural matters was answered by parents, while the children answered a questionnaire on asthenopia-related symptoms. The children underwent a complete visual function examination, including measurement of visual acuity, refraction test, cover test, stereopsis, heterophoria assessment, near point of convergence, and accommodative convergence/accommodation ratio...
2015: Clinical Ophthalmology
https://www.readbyqxmd.com/read/26353999/age-and-the-amplitude-of-accommodation-measured-using-dynamic-retinoscopy
#17
Alejandro León, Jorge M Estrada, Mark Rosenfield
PURPOSE: Dynamic retinoscopy (DR) is a procedure for assessing the accommodative response using a standard clinical instrument. The present study compared measurements of the amplitude of accommodation (AA) obtained using this technique with two subjective methods (modified push-down and minus lens). Additionally, the expected ranges for AA when measured by DR were determined. METHOD: AA was measured in 1298 subjects between 5 and 60 years of age using the three techniques described above...
January 2016: Ophthalmic & Physiological Optics: the Journal of the British College of Ophthalmic Opticians (Optometrists)
https://www.readbyqxmd.com/read/26352899/how-anion-chaotrope-changes-the-local-structure-of-water-insights-from-photoelectron-spectroscopy-and-theoretical-modeling-of-scn-water-clusters
#18
Marat Valiev, Shihu H M Deng, Xue-Bin Wang
The behavior of charged solute molecules in aqueous solutions is often classified using the concept of kosmotropes ("structure makers") and chaotropes ("structure breakers"). There is a growing consensus that the key to kosmotropic/chaotropic behaviors lies in the local solvent region, but the exact microscopic basis for such differentiation is not well-understood. This issue is examined in this work by analyzing size selective solvation of a well-known chaotrope, a negatively charged SCN(-) molecule. Combining experimental photoelectron spectroscopy measurements with theoretical modeling, we examine evolution of solvation structure up to eight waters...
March 3, 2016: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/26351575/characterization-of-visual-symptomatology-associated-with-refractive-accommodative-and-binocular-anomalies
#19
Pilar Cacho-Martínez, Mario Cantó-Cerdán, Stela Carbonell-Bonete, Ángel García-Muñoz
Purpose. To characterize the symptomatology of refractive, accommodative, and nonstrabismic binocular dysfunctions and to assess the association between dysfunctions and symptoms. Methods. 175 randomised university students were examined. Subjects were given a subjective visual examination with accommodative and binocular tests, evaluating their symptomatology. Accommodative and binocular dysfunctions (AD, BD) were diagnosed according to the number of existing clinical signs: suspect AD or BD (one fundamental clinical sign), high suspect (one fundamental + 1 complementary clinical sign), and definite (one fundamental + 2 or more complementary clinical signs)...
2015: Journal of Ophthalmology
https://www.readbyqxmd.com/read/26349152/-conservative-management-of-posttraumatic-diplopia
#20
Ewa Tokarz-Sawińska, Ewelina Lachowicz
PURPOSE: To determine the effect of prism correction with physicotherapeutic procedures on symptomatic improvement in posttraumatic oculomotor, trochlear and abducent nerves palsy. PATIENTS AND METHODS: Twenty eight patients (five women and twenty three men) at the age range from 23 to 50 years (mean age of 36.5 y.o.) with the posttraumatic ophthalmic complications underwent routine ophthalmic and strabologic examination. Prism correction and vitaminum B1 in iontophoresis were used due to unilateral oculomotor, trochlear and abducent nerve palsy, at 3-11 (mean interval between the trauma and treatment commencement of 7 months) months after traffic accident...
2015: Klinika Oczna
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