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https://www.readbyqxmd.com/read/28422802/validity-and-repeatability-of-a-novel-dynamic-visual-acuity-system
#1
Mariko Hirano, Natalie Hutchings, Trefford Simpson, Kristine Dalton
PURPOSE: In many sports, athletes rely on visual information from the environment to perform. Some literature suggests athletes have superior visual abilities to non-athletes, particularly on tasks representative of the visual demands of their sport, such as dynamic acuity, eye movement accuracy and speed, and peripheral vision. Other literature suggests there is no difference between athletes and non-athletes, at least when standard clinical assessments are employed. A limitation of the literature is that almost none of the research has been conducted with standardized, validated tools...
May 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28236839/lack-of-eye-discipline-during-headers-in-high-school-girls-soccer-a-possible-mechanism-for-increased-concussion-rates
#2
Joseph F Clark, Hagar T Elgendy-Peerman, Jon G Divine, Robert E Mangine, Kimberly A Hasselfeld, Jane C Khoury, Angelo J Colosimo
The sport of soccer is the fastest growing and most popular sport worldwide. With this growth and popularity, attention needs to be given to this athletic population. Sports related concussions is a topic that has gained attention both in the media and by governmental organizations, with growing initiatives in diagnosis, prevention and treatment. The act of soccer heading is thought to contribute to increased concussion incidence. Current evidence reveals that within the high school soccer athletic population, female athletes incur a higher concussion rate than males...
March 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28233251/automated-vision-occlusion-timing-instrument-for-perception-action-research
#3
John Brenton, Sean Müller, Robbie Rhodes, Brad Finch
Vision occlusion spectacles are a highly valuable instrument for visual-perception-action research in a variety of disciplines. In sports, occlusion spectacles have enabled invaluable knowledge to be obtained about the superior capability of experts to use visual information to guide actions within in-situ settings. Triggering the spectacles to occlude a performer's vision at a precise time in an opponent's action or object flight has been problematic, due to experimenter error in using a manual buttonpress approach...
February 23, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/28119884/effect-of-sports-vision-exercise-on-visual-perception-and-reading-performance-in-7-to-10-year-old-developmental-dyslexic-children
#4
Rokhsareh Badami, Sahar Mahmoudi, Bahman Baluch
The presented study was aimed at identifying for the first time the influence of sports vision exercises on fundamental motor skills and cognitive skills of 7- to 10-year-old developmental dyslexic Persian children. A pretest-posttest quasi-experimental study was conducted. The statistical population of this study was 7- to 10-year-old dyslexic children referring to two centres of learning disorder in the city of Isfahan. Twenty two of these children were selected using available and purposive sampling from the statistical population and were randomly assigned into two groups of experimental and control...
December 2016: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/28101039/multifocal-toric-intraocular-lens-for-traumatic-cataract-in-a-child
#5
Yanfeng Zeng, Licheng Fan, Peirong Lu
A child suffering from traumatic cataract and corneal astigmatism of 2.14 D had a phacoemulsification operation and implantation of a ReSTOR Toric intraocular lens (IOL) to correct the astigmatism. The primary outcome measurements were the uncorrected distance visual acuity (UDVA), uncorrected near vision at 40 cm, intraocular pressure, spherical equivalent refraction, residual astigmatism, corneal astigmatism, presence of unusual optical phenomena, and use of spectacles. At 7 months postoperatively, UDVA was maintained between 16/20 and 24/20, near vision was between J1 and J3, residual spherical refraction was 0-0...
September 2016: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/27932862/role-of-the-treating-surgeon-in-the-consent-process-for-elective-refractive-surgery
#6
Steven C Schallhorn, Stephen J Hannan, David Teenan, Julie M Schallhorn
PURPOSE: To compare patient's perception of consent quality, clinical and quality-of-life outcomes after laser vision correction (LVC) and refractive lens exchange (RLE) between patients who met their treating surgeon prior to the day of surgery (PDOS) or on the day of surgery (DOS). DESIGN: Retrospective, comparative case series. SETTING: Optical Express, Glasgow, UK. METHODS: Patients treated between October 2015 and June 2016 (3972 LVC and 979 RLE patients) who attended 1-day and 1-month postoperative aftercare and answered a questionnaire were included in this study...
2016: Clinical Ophthalmology
https://www.readbyqxmd.com/read/27917530/visual-complications-in-diabetes-mellitus-beyond-retinopathy
#7
REVIEW
A Khan, I N Petropoulos, G Ponirakis, R A Malik
Diabetic retinopathy is the most common cause of vision loss in people with diabetes mellitus; however, other causes of visual impairment/loss include other retinal and non-retinal visual problems, including glaucoma, age-related macular degeneration, non-arteritic anterior ischaemic optic neuropathy and cataracts. Additionally, when a person with diabetes complains of visual disturbance despite a visual acuity of 6/6, abnormalities in refraction, contrast sensitivity, straylight and amplitude of accommodation should be considered...
April 2017: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/27900160/the-relationship-between-visual-function-and-performance-in-rifle-shooting-for-athletes-with-vision-impairment
#8
Joy Myint, Keziah Latham, David Mann, Phil Gomersall, Arnold J Wilkins, Peter M Allen
BACKGROUND: Paralympic sports provide opportunities for those who have an impairment that might otherwise be a barrier to participation in regular sporting competition. Rifle shooting represents an ideal sport for persons with vision impairment (VI) because the direction of the rifle can be guided by auditory information when vision is impaired. However, it is unknown whether those with some remaining vision when shooting with auditory guidance would be at an advantage when compared with those with no vision at all...
2016: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/27877150/the-level-of-vision-necessary-for-competitive-performance-in-rifle-shooting-setting-the-standards-for-paralympic-shooting-with-vision-impairment
#9
Peter M Allen, Keziah Latham, David L Mann, Rianne H J C Ravensbergen, Joy Myint
The aim of this study was to investigate the level of vision impairment (VI) that would reduce performance in shooting; to guide development of entry criteria to visually impaired (VI) shooting. Nineteen international-level shooters without VI took part in the study. Participants shot an air rifle, while standing, toward a regulation target placed at the end of a 10 m shooting range. Cambridge simulation glasses were used to simulate six different levels of VI. Visual acuity (VA) and contrast sensitivity (CS) were assessed along with shooting performance in each of seven conditions of simulated impairment and compared to that with habitual vision...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27875236/correlation-based-tracking-of-multiple-targets-with-hierarchical-layered-structure
#10
Xianbin Cao, Xiaolong Jiang, Xiaomei Li, Pingkun Yan
Visual target tracking is one of the most important research areas in the field of computer vision. Within this realm, multiple targets tracking (MTT) under complicated scene stands out for its great availability in real life applications, such as urban traffic surveillance and sports video analysis. However, in MTT, main difficulties arise from large variation in target saliency and significant motion heterogeneity, which may result in the failure of tracking weak targets. To tackle this challenge, a novel hierarchical layered tracking structure is proposed to perform tracking sequentially layer-by-layer...
November 17, 2016: IEEE Transactions on Cybernetics
https://www.readbyqxmd.com/read/27812702/epidemiology-of-sports-related-eye-injuries-in-the-united-states
#11
R Sterling Haring, Isaac D Sheffield, Joseph K Canner, Eric B Schneider
Importance: Ocular trauma can lead to lifelong sequelae, and sports-related ocular injuries have been shown to disproportionately affect the young. Studies quantifying and characterizing the incidence and type of injuries seen with sports-related ocular trauma may be useful for resource utilization, training, and prevention efforts. Objective: To examine the emergency department (ED) burden of sports-related ocular trauma in the United States. Design, Setting, and Participants: This retrospective, cross-sectional study examined the Nationwide Emergency Department Sample, containing data from approximately 30 million ED visits annually at more than 900 hospitals nationwide, from January 1, 2010, to December 31, 2013, to determine factors associated with sports-related ocular trauma...
December 1, 2016: JAMA Ophthalmology
https://www.readbyqxmd.com/read/27794635/impact-of-visual-impairment-on-the-lives-of-young-adults-in-the-netherlands-a-concept-mapping-approach
#12
Ellen Bernadette Maria Elsman, Gerardus Hermanus Maria Bartholomeus van Rens, Ruth Marie Antoinette van Nispen
PURPOSE: While the impact of visual impairments on specific aspects of young adults' lives is well recognised, a systematic understanding of its impact on all life aspects is lacking. This study aims to provide an overview of life aspects affected by visual impairment in young adults (aged 18-25 years) using a concept-mapping approach. METHOD: Visually impaired young adults (n = 22) and rehabilitation professionals (n = 16) participated in online concept-mapping workshops (brainstorm procedure), to explore how having a visual impairment influences the lives of young adults...
October 29, 2016: Disability and Rehabilitation
https://www.readbyqxmd.com/read/27689244/clinical-predictors-of-vestibulo-ocular-dysfunction-in-pediatric-sports-related-concussion
#13
Michael J Ellis, Dean M Cordingley, Sara Vis, Karen M Reimer, Jeff Leiter, Kelly Russell
OBJECTIVE There were 2 objectives of this study. The first objective was to identify clinical variables associated with vestibulo-ocular dysfunction (VOD) detected at initial consultation among pediatric patients with acute sports-related concussion (SRC) and postconcussion syndrome (PCS). The second objective was to reexamine the prevalence of VOD in this clinical cohort and evaluate the effect of VOD on length of recovery and the development of PCS. METHODS A retrospective review was conducted for all patients with acute SRC and PCS who were evaluated at a pediatric multidisciplinary concussion program from September 2013 to May 2015...
January 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/27668633/expanding-advocacy-for-head-trauma-vision-research-funding
#14
James F Jorkasky, Gregory L Goodrich
In this article, we explore the roles of media, research, and advocacy in education and research funding. All three have played critical roles in advancing our understanding of eye, vision, and brain injuries in sports and in the military.
January 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/27628699/people-with-dyslexia-and%C3%A2-heart-chest-skin-digestive-musculoskeletal-vision-learning-speech-and-mental-disorders-were-more-dissatisfied-with-neighbourhoods-scottish-household-survey-2007-2008
#15
Ivy Shiue
Rarely do we know the perception toward neighbourhoods in people specifically with health conditions. Therefore, the aim of the present study was to understand the perception toward neighbourhoods among adults with a series of the existing health conditions in a country-wide and population-based setting. Data were retrieved from and analysed in Scottish Household Survey, 2007-2008. Information on demographics, self-reported health conditions and perception toward neighbourhoods and the surrounding facilities was obtained by household interview...
December 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27505624/vision-therapy-for-post-concussion-vision-disorders
#16
Michael Gallaway, Mitchell Scheiman, G Lynn Mitchell
PURPOSE: To determine the frequency and types of vision disorders associated with concussion, and to determine the success rate of vision therapy for these conditions in two private practice settings. METHODS: All records over an 18-month period of patients referred for post-concussion vision problems were reviewed from two private practices. Diagnoses of vergence, accommodative, or eye movement disorders were based on pre-established, clinical criteria. Vision therapy was recommended based on clinical findings and symptoms...
January 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/27498069/a-vision-based-proposal-for-classification-of-normal-and-abnormal-gait-using-rgb-camera
#17
Mario Nieto-Hidalgo, Francisco Javier Ferrández-Pastor, Rafael J Valdivieso-Sarabia, Jerónimo Mora-Pascual, Juan Manuel García-Chamizo
Human gait is mainly related to the foot and leg movements but, obviously, the entire motor system of the human body is involved. We hypothesise that movement parameters such as dynamic balance, movement harmony of each body element (arms, head, thorax…) could enable us to finely characterise gait singularities to pinpoint potential diseases or abnormalities in advance. Since this paper deals with the preliminary problem pertaining to the classification of normal and abnormal gait, our study will revolve around the lower part of the body...
August 4, 2016: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/27464573/king-devick-and-pre-season-visual-function-in-adolescent-athletes
#18
Katherine K Weise, Mark W Swanson, Kimberly Penix, Matthew Heath Hale, Drew Ferguson
PURPOSE: The King-Devick test (KD) has been studied as a remove-from-play sideline test in college-age athletes and older; however, studies in younger athletes are limited. A cross-sectional study of the KD and other vision correlates was completed on school-aged athletes during pre-season physicals for a variety of sports to determine the repeatability of the KD. The study also evaluated how convergence, alignment, or pupil function contributed to a slower King-Devick baseline reading...
January 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/27329262/paralympic-athletes-perceptions-of-their-experiences-of-sports-related-injuries-risk-factors-and-preventive-possibilities
#19
Kristina Fagher, Anna Forsberg, Jenny Jacobsson, Toomas Timpka, Örjan Dahlström, Jan Lexell
Our knowledge of sports-related injuries in para-sport is limited and there are no data on how Paralympic athletes themselves perceive an injury. The aim of this qualitative study was to explore Paralympic athletes' perceptions of their experiences of sports-related injuries, risk factors and preventive possibilities. Eighteen Swedish Paralympic athletes with vision impairment, intellectual impairment, spinal cord injury, cerebral palsy, myelomeningocele, dysplasia and neuromuscular disorder, representing 10 different para-sports, were interviewed...
November 2016: European Journal of Sport Science
https://www.readbyqxmd.com/read/27293425/human-action-recognition-using-improved-salient-dense-trajectories
#20
Qingwu Li, Haisu Cheng, Yan Zhou, Guanying Huo
Human action recognition in videos is a topic of active research in computer vision. Dense trajectory (DT) features were shown to be efficient for representing videos in state-of-the-art approaches. In this paper, we present a more effective approach of video representation using improved salient dense trajectories: first, detecting the motion salient region and extracting the dense trajectories by tracking interest points in each spatial scale separately and then refining the dense trajectories via the analysis of the motion saliency...
2016: Computational Intelligence and Neuroscience
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