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Kragting M, Pool-Goudzwaard AL, Pezzica C, Voogt L, Coppieters MW. Does having an external focus in immersive virtual reality increase range of motion in people with neck pain? Musculoskelet Sci Pract 2024; 71:102940. [PMID: 38537389 DOI: 10.1016/j.msksp.2024.102940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 02/25/2024] [Accepted: 03/12/2024] [Indexed: 05/13/2024]
Abstract
BACKGROUND When instructing exercises to improve Range of Motion (ROM), clinicians often create an internal focus of attention, while motor performance may improve more when using an external focus. OBJECTIVES Using Virtual Reality (VR), we investigated the effect of tasks with an internal and external focus on maximal ROM in people with neck pain and explored whether this effect was associated with fear of movement. METHOD In this cross-over experimental design study, the cervical ROM of 54 participants was measured while performing a target-seeking exercise in a VR-environment (external focus task) and during three maximal rotation and flexion-extension movements with the VR-headset on, without signal (internal focus task). The main statistical analysis included two dependent T-tests. Pearson correlation coefficients were calculated to investigate whether the differences in ROM in both conditions were correlated to fear of movement. RESULTS Maximal neck rotation was larger in the external focus condition than in the internal focus condition (mean difference: 26.4°, 95% CI [20.6, 32.3]; p < 0.001, d = 1.24). However, there was a difference favouring the internal focus condition for flexion-extension (mean difference: 8.2°, 95% CI [-14.9, -1.5]; p = 0.018, d = 0.33). The variability in ROM was not explained by variability in fear of movement (for all correlations p ≥ 0.197). CONCLUSION An external focus resulted in a larger range of rotation, but our flexion-extension findings suggest that the task has to be specific to elicit such an effect. Further research, using a task that sufficiently elicits movement in all directions, is needed to determine the value of an external focus during exercise.
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Affiliation(s)
- Maaike Kragting
- Department of Physical Therapy, Research Centre for Health Care Innovations, Rotterdam University of Applied Sciences, Rochussenstraat 198, 3015 EK, Rotterdam, the Netherlands; Department of Human Movement Sciences, Faculty of Behavioural and Movement Sciences, Amsterdam Movement Sciences, Vrije Universiteit Amsterdam, Van der Boechorststraat 9, 1081, BT, Amsterdam, the Netherlands.
| | - Annelies L Pool-Goudzwaard
- Department of Human Movement Sciences, Faculty of Behavioural and Movement Sciences, Amsterdam Movement Sciences, Vrije Universiteit Amsterdam, Van der Boechorststraat 9, 1081, BT, Amsterdam, the Netherlands; Somt University of Physiotherapy, Softwareweg 5, 3821 BN, Amersfoort, the Netherlands.
| | - Carlotta Pezzica
- Department of Human Movement Sciences, Faculty of Behavioural and Movement Sciences, Amsterdam Movement Sciences, Vrije Universiteit Amsterdam, Van der Boechorststraat 9, 1081, BT, Amsterdam, the Netherlands.
| | - Lennard Voogt
- Department of Physical Therapy, Research Centre for Health Care Innovations, Rotterdam University of Applied Sciences, Rochussenstraat 198, 3015 EK, Rotterdam, the Netherlands; Pain in Motion Research Group, Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Laarbeeklaan 103, 1090, Brussels, Belgium.
| | - Michel W Coppieters
- Department of Human Movement Sciences, Faculty of Behavioural and Movement Sciences, Amsterdam Movement Sciences, Vrije Universiteit Amsterdam, Van der Boechorststraat 9, 1081, BT, Amsterdam, the Netherlands; Menzies Health Insitute Queensland, Griffith University, Brisbane and Gold Coast, 170 Kessels Road, QLD, 4111, Nathan, Australia; School of Health Sciences and Social Work, Griffith University, Brisbane and Gold Coast, 170 Kessels Road, QLD, 4111, Nathan, Australia.
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Thorud HMS, Mudvari PR, Falkenberg HK. Academic performance and musculoskeletal pain in adolescents with uncorrected vision problems. BMC Pediatr 2024; 24:202. [PMID: 38515102 PMCID: PMC10956392 DOI: 10.1186/s12887-024-04681-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 03/01/2024] [Indexed: 03/23/2024] Open
Abstract
BACKGROUND Undetected vision problems are common in school children, and a prevalence of up to 40% has previously been reported. Uncorrected vision and lack of optimal eye wear can have a significant impact on almost all aspects of everyday life, such as development and learning, academic performance, pain and discomfort, and quality of life. This study aimed to analyze the relationship between uncorrected vision problems, educational outcomes, and musculoskeletal pain symptoms. METHODS A total of 152 school children (15.1 ± 0.8 years, mean ± SD; 40% males) were included in the study. All participants were recruited from a free-of-charge school vision testing program in Kathmandu, Nepal. Academic grades were collected from the school records of the participants' nationwide final grade examinations. A questionnaire was used to record the use of digital devices, screen time, and associated symptoms, including musculoskeletal pain (Wong-Baker FACES Pain Rating Scales). RESULTS A total of 61 children (40%) had uncorrected vision, with a cycloplegic refraction of SER - 0.53 ± 0.52 (mean ± SD). Children with uncorrected vision had significantly more third division grades (26 vs. 9%, p = 0.004) and shoulder pain in general/during screen use (66 vs. 43/40%, p = 0.008/0.003; 2.1/1.9 vs. 1.1/1.0 mean pain score, p = 0.002/0.001) compared with children with normal vision. Sex based subanalyses showed that only girls with uncorrected vision had more third division grades (25 vs. 4%, p = 0.006), and only boys with uncorrected vision had more shoulder pain in general/during screen use (76 vs. 28/31%, p < 0.001; 2.2/2.4 vs. 0.7 mean pain score, p < 0.001), compared with children with normal vision. CONCLUSIONS The results of this study showed that even small refractive errors may impact educational outcomes and musculoskeletal pain in adolescents. Most of the participating children had low myopia, easily corrected with glasses. This suggests that regular eye examinations are important in school children, and there is a need for raised awareness among parents, and school- and healthcare personnel.
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Affiliation(s)
- Hanne-Mari Schiøtz Thorud
- National Centre for Optics, Vision and Eye Care, Department of Optometry, Radiography and Lighting Design, University of South-Eastern Norway, Kongsberg, Norway.
| | - Prabeen Raj Mudvari
- National Centre for Optics, Vision and Eye Care, Department of Optometry, Radiography and Lighting Design, University of South-Eastern Norway, Kongsberg, Norway
| | - Helle K Falkenberg
- National Centre for Optics, Vision and Eye Care, Department of Optometry, Radiography and Lighting Design, University of South-Eastern Norway, Kongsberg, Norway
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Jorge J, Teixeira J, Pinhão T, Delgado F, Salem A, Martino F, Plainis S. Self-reported visual symptoms and high visual demand activities in professional football players: a cross-sectional survey. Front Sports Act Living 2023; 5:1256847. [PMID: 38162702 PMCID: PMC10755926 DOI: 10.3389/fspor.2023.1256847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 11/28/2023] [Indexed: 01/03/2024] Open
Abstract
Background Vision is crucial for football players, impacting decision-making and athletic performance. Despite its global popularity, football lacks comprehensive evaluations of the impact of digital device use on ocular symptoms during high-demand activities. Purpose To gain knowledge about the time spent by football players in high visual demand activities, the symptoms associated with binocular vision dysfunction, and their relationship with sports performance. Methods A cross-sectional observational study was conducted in 2020 using an online survey targeting football players from Portugal, England, Spain, and Saudi Arabia. The survey, distributed over 5 weeks, aimed to collect data from approximately 5,000 football players. Information on player profiles, competitive levels, vision habits, and symptoms related to binocular vision dysfunctions was collected. The Convergence Insufficiency Symptom Survey (CISS) employed a 5-point Likert scale to indicate the average frequency of each symptom. Due to non-normality, non-parametric tests were used (p < 0.05). Specifically, Mann-Whitney U, Kruskal-Wallis, Chi-square, and Spearman's rank correlation tests were used as appropriate. Results Analyzing male professional football players (mean age: 27.4 ± 5.0 years, 95% CI, 26.7-28.1), it was found that 38.1% of the players had been called up to the national team and 6.9% had played over 50 games. Self-rated last season's performance had a mean score of 6.5 ± 2.1 (95% CI, 6.2-6.8)(on a scale of 1 to 10). Smartphone use exceeded 1 h daily for all players, with 36.0% surpassing 4 h. Visual symptoms, notably associated with smartphone use (35.5%), were observed. Regarding the CISS score, the mean was 7.1 ± 7.7 (IC95%: 6.6 to 8.8). A weak negative correlation (rho = -0.215, p = 0.003) emerged between CISS scores and self-perceived sports performance. Football players using prescription lenses had significantly higher CISS scores (11.9 ± 10.4, 95% CI, 12.3-7.7) compared to non-users (6.2 ± 6.8, 95% CI, 7.8-5.7) (p < 0.001). Conclusion This study reveals that professional football players engage in high visual demand tasks, notably on smartphones. One-third of the players link smartphone use to ocular symptoms. The Convergence Insufficiency Symptoms Survey indicates that 6.3% exhibit binocular vision dysfunction symptoms. Those with fewer ocular symptoms perceive that they have better sports performance than their counterparts.
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Affiliation(s)
- Jorge Jorge
- Clinical and Experimental Optometry Research Laboratory (CEORLab), Physics Center of Minho and Porto Universities (CF-UM-UP), School of Sciences, University of Minho, Braga, Portugal
| | - José Teixeira
- Medical Department, Rio Ave Futebol Clube, Vila do Conde, Portugal
| | | | | | | | | | - Sotiris Plainis
- Laboratory of Optics & Vision, School of Medicine, University of Crete, Heraklion, Greece
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Belhassen S, Mat Q, Ferret C, Clavel R, Renaud B, Cabaraux P. Post-Traumatic Craniocervical Disorders From a Postural Control Perspective: A Narrative Review. BRAIN & NEUROREHABILITATION 2023; 16:e15. [PMID: 37554255 PMCID: PMC10404808 DOI: 10.12786/bn.2023.16.e15] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2023] [Revised: 06/12/2023] [Accepted: 06/19/2023] [Indexed: 08/10/2023] Open
Abstract
Mild traumatic brain injury (mTBI) and whiplash injury (WI) may lead to long-term disabling consequences known as post-concussive syndrome (PCS) and whiplash-associated disorders (WADs). PCS and WAD patients commonly complain of conditions encompassing dizziness, vertigo, headache, neck pain, visual complaints, anxiety, and neurocognitive dysfunctions. A proper medical work-up is a priority in order to rule out any acute treatable consequences. However investigations may remain poorly conclusive. Gathered in the head and neck structures, the ocular sensorimotor, the vestibular, and the cervical proprioceptive systems, all involved in postural control, may be damaged by mTBI or WI. Their dysfunctions are associated with a wide range of functional disorders including symptoms reported by PCS and WAD patients. In addition, the stomatognathic system needs to be specifically assessed particularly when associated to WI. Evidence for considering the post-traumatic impairment of these systems in PCS and WAD-related symptoms is still lacking but seems promising. Furthermore, few studies have considered the assessment and/or treatment of these widely interconnected systems from a comprehensive perspective. We argue that further research focusing on consequences of mTBI and WI on the systems involved in the postural control are necessary in order to bring new perspective of treatment.
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Affiliation(s)
- Serge Belhassen
- Groupe d'Etudes, de Recherche, d'Information et de Formation sur les Activités Posturo-Cinétiques (Gerifap), Juvignac, France
| | - Quentin Mat
- Department of Otorhinolaryngology, Centre Hospitalier Universitaire (CHU) Charleroi, Charleroi, Belgium
| | - Claude Ferret
- Departments of Oral Health Sciences and Otorhinolaryngology, Centre Hospitalier Universitaire (CHU) de Montpellier, Montpellier, France
| | - Robert Clavel
- Groupe d'Etudes, de Recherche, d'Information et de Formation sur les Activités Posturo-Cinétiques (Gerifap), Juvignac, France
| | - Bernard Renaud
- Groupe d'Etudes, de Recherche, d'Information et de Formation sur les Activités Posturo-Cinétiques (Gerifap), Juvignac, France
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Nunes AF, Leitão MA, Nunes AS, Monteiro PL. Eye discomfort at close work in Portuguese university students: A comparative analysis between the pre-COVID and confinement period. Work 2023:WOR220172. [PMID: 36641726 DOI: 10.3233/wor-220172] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND Many individuals experience visual symptoms associated with near work. The level of discomfort appears to increase with the amount of digital screen use. OBJECTIVE To study the eye discomfort with near tasks in university students in the pre-COVID period and in the period of confinement due to the pandemic. METHODS Two independent samples of students, aged between 18 and 35 years, were used to assess symptomatic behaviour with the Convergence Insufficiency Symptom Survey (CISS) questionnaire. In the pre-COVID period the sample had 342 participants, 64.6% females and in the COVID period 322 students participated, 71.4% females. The study of differences was carried out by the Mann-Whitney U test. The interpretation of the statistical inference was performed for a significance level≤0.05. RESULTS There was an increase in the number of symptomatic cases in the COVID period without statistical evidence of differences in the frequency of symptoms reported in the two periods. The dimensions "somatic sensations" and "cognitive performance" were the typology of symptoms that most contributed to visual complaints with near vision. There was a significantly different symptomatic behaviour between genders in the period of confinement (p = 0.001), worsening in females and improving in males. CONCLUSION These findings suggest that females and males exposed to digital environments, over time, may exhibit different symptomatic behaviour. Our results suggest that boys adapt more quickly than girls. Factors that predispose to these changes, aetiology and potential intervention actions still need further study.
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Affiliation(s)
- Amélia Fernandes Nunes
- Health Sciences Research Centre (CICS-UBI), Covilhã,Portugal.,Clinical and Experimental Center for Vision Sciences (CCECV),U University of Beira Interior, Covilhã,Portugal.,UBIMedical, Covilhã,Portugal
| | - Mara Antunes Leitão
- Clinical and Experimental Center for Vision Sciences (CCECV),U University of Beira Interior, Covilhã,Portugal
| | | | - Pedro Lourenço Monteiro
- Health Sciences Research Centre (CICS-UBI), Covilhã,Portugal.,Clinical and Experimental Center for Vision Sciences (CCECV),U University of Beira Interior, Covilhã,Portugal.,UBIMedical, Covilhã,Portugal
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Thorud HMS, Mork R, Bjørset CO, Gilson SJ, Hagen LA, Langaas T, Pedersen HR, Svarverud E, Vikesdal GH, Baraas RC. Laboured reading and musculoskeletal pain in school children - the role of lifestyle behaviour and eye wear: a cross-sectional study. BMC Pediatr 2022; 22:416. [PMID: 35831809 PMCID: PMC9278319 DOI: 10.1186/s12887-022-03465-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 06/28/2022] [Indexed: 12/26/2022] Open
Abstract
Background Lifestyle behaviour in children and adolescents has become increasingly sedentary and occupied with digital work. Concurrently, there has been an increase in the prevalence of headache, neck- and low back pain, which are leading causes of disability globally. Extensive near work and use of digital devices are demanding for both the visual system and the upper body head-stabilizing musculature. Uncorrected vision problems are present in up to 40% of Nordic school children, and a lack of corrective eye wear may cause eyestrain, musculoskeletal pain and headache. The aim of this study was to investigate associations between laboured reading, musculoskeletal pain, uncorrected vision, and lifestyle behaviours in children and adolescents. Methods This was a cross-sectional study with a total of 192 Norwegian school children aged 10–11 and 15–16 years. As a part of a school vision testing program, the children completed an online questionnaire about general and ocular health, socioeconomic status, academic ambition, near work and related symptoms, upper body musculoskeletal pain, and physical and outdoor activities. Results The 15–16-year-olds had a more indoor, sedentary, digital-based lifestyle with higher academic demands, compared with the 10–11-year-olds. Concurrently, reading became more laboured and upper body musculoskeletal pain increased with age. Girls reported more symptoms, higher academic ambitions, and more time spent on schoolwork and reading, compared with boys. Non-compliance in wearing prescribed eye wear (glasses or contact lenses), increased use of near digital devices, and experiencing visual stress (glare) were positively associated with laboured reading and upper body musculoskeletal pain. Conclusions A screen-based lifestyle with high academic demands challenges the ability to sustain long hours of static, intensive near work. Extensive near work tires the visual system and upper body musculature and provokes laboured reading and musculoskeletal pain symptoms. This study emphasizes the importance of regular eye examinations in school children, and the need to raise awareness among children, parents, and school- and health personnel about the importance of optimal vision and visual environment for academic performance and health.
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Affiliation(s)
- Hanne-Mari Schiøtz Thorud
- National Centre for Optics, Vision and Eye Care, Department of Optometry, Radiography and Lighting Design, University of South-Eastern Norway, Kongsberg, Norway.
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Is Altered Oculomotor Control during Smooth Pursuit Neck Torsion Test Related to Subjective Visual Complaints in Patients with Neck Pain Disorders? INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19073788. [PMID: 35409472 PMCID: PMC8997387 DOI: 10.3390/ijerph19073788] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 03/17/2022] [Accepted: 03/19/2022] [Indexed: 02/04/2023]
Abstract
Subjective visual complaints are commonly reported in patients with neck pain, but their relation to objectively measured oculomotor functions during smooth pursuit neck torsion tests (SPNTs) has not yet been investigated. The aim of the study was to analyse classification accuracy of visual symptom intensity and frequency based on SPNT results. Forty-three patients with neck pain were referred by orthopaedic outpatient clinics where they were required to fill out 16-item proformas of visual complaints. Infrared video-oculography was used to measure smooth pursuit eye movements during neutral and neck torsion positions. Parameters of gain and SPNT difference (SPNTdiff) were taken into the Naïve Bayes model as classifiers, while intensity and frequency of visual symptoms were taken as predicted class. Intensity and, to a lesser degree, frequency of visual symptoms previously associated with neck pain or focal vision disorders (computer vision syndrome) showed better classification accuracy using gain at neck torsion position, indicating cervical driven visual disturbances. Moreover, SPNTdiff presented with slightly lower classification accuracy as compared to gain at neck torsion position. Our study confirmed the relationship between cervical driven oculomotor deficits and some visual complaints (concentrating to read, words moving on page, blurred vision, difficulty judging distance, sore eyes, heavy eyes, red eyes, and eyes strain).
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Weiler R, Blauwet C, Clarke D, Dalton K, Derman W, Fagher K, Gouttebarge V, Kissick J, Lee K, Lexell J, Van de Vliet P, Verhagen E, Webborn N, Ahmed OH. Concussion in para sport: the first position statement of the Concussion in Para Sport (CIPS) Group. Br J Sports Med 2021; 55:1187-1195. [PMID: 33837003 PMCID: PMC8551975 DOI: 10.1136/bjsports-2020-103696] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/04/2021] [Indexed: 12/03/2022]
Abstract
Concussion is a frequent injury in many sports and is also common in para athletes. However, there is a paucity of concussion research related to para sport, and prior International Concussion in Sport (CIS) consensus papers have not substantively addressed this population. To remedy this and to improve concussion care provided to para athletes, the concussion in para sport (CIPS) multidisciplinary expert group was created. This group analysed and discussed in-depth para athlete-specific issues within the established key clinical domains of the current (2017) consensus statement on CIS. Due to the onset of the COVID-19 pandemic, the group held all meetings by video conferencing. The existing Sport Concussion Assessment Tool 5 (SCAT5) for the immediate on-field and office-based off-field assessment of concussion was evaluated as part of this process, to identify any para athlete-specific concerns. Regular preparticipation and periodic health examinations are essential to determine a baseline reference point for concussion symptoms but pose additional challenges for the interpreting clinician. Further considerations for concussion management for the para athlete are required within the remove, rest, reconsider and refer consensus statement framework. Considering return to sport (RTS), the 2017 CIS consensus statement has limitations when considering the RTS of the para athlete. Case-by-case decision making related to RTS following concussion is imperative for para athletes. Additional challenges exist for the evaluation and management of concussion in para athletes. There is a need for greater understanding of existing knowledge gaps and attitudes towards concussion among athlete medical staff, coaches and para athletes. Future research should investigate the use and performance of common assessment tools in the para athlete population to better guide their clinical application and inform potential modifications. Concussion prevention strategies and sport-specific rule changes, such as in Para Alpine Skiing and Cerebral Palsy Football, also should be carefully considered to reduce the occurrence of concussion in para athletes.
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Affiliation(s)
- Richard Weiler
- Amsterdam Collaboration on Health and Safety in Sports, Department of Public and Occupational Health, EMGO Institute for Health and Care Research, VU University Medical Centre Amsterdam, Amsterdam, Noord-Holland, The Netherlands.,Sport & Exercise Medicine, Fortius Clinic, London, UK.,Para Football Foundation, Arnhem, The Netherlands
| | - Cheri Blauwet
- Department of Physical Medicine and Rehabilitation, Spaulding Rehabilitation; Spaulding Hospital/Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA.,Kelley Adaptive Sports Research Institute, Boston, Massachusetts, USA
| | | | - Kristine Dalton
- School of Optometry & Vision Science, University of Waterloo, Waterloo, Ontario, Canada
| | - Wayne Derman
- Institute of Sport and Exercise Medicine, Division of Orthopaedic Surgery, Department of Surgical Sciences, Stellenbosch University Faculty of Medicine and Health Sciences, Cape Town, South Africa.,IOC Research Center, South Africa, South Africa
| | - Kristina Fagher
- Rehabilitation Medicine Research Group, Department of Health Sciences, Lund University, Lund, Sweden
| | - Vincent Gouttebarge
- Amsterdam Collaboration on Health and Safety in Sports, Department of Public and Occupational Health, EMGO Institute for Health and Care Research, VU University Medical Centre Amsterdam, Amsterdam, Noord-Holland, The Netherlands.,Department of Orthopaedic Surgery, Amsterdam UMC, University of Amsterdam, Amsterdam Movement Sciences, Amsterdam, The Netherlands
| | - James Kissick
- Department of Family Medicine, University of Ottawa, Ottawa, Ontario, Canada.,International Paralympic Committee Medical Committee, Ottawa, Ontario, Canada
| | - Kenneth Lee
- Spinal Cord Injury/Disorder, Physical Medicine & Rehabilitation, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Jan Lexell
- Rehabilitation Medicine Research Group, Department of Health Sciences, Lund University, Lund, Sweden
| | | | - Evert Verhagen
- Amsterdam Collaboration on Health and Safety in Sports, Department of Public and Occupational Health, EMGO Institute for Health and Care Research, VU University Medical Centre Amsterdam, Amsterdam, Noord-Holland, The Netherlands
| | - Nick Webborn
- Centre for Sport and Exercise Science and Medicine, University of Brighton, Eastbourne, UK
| | - Osman Hassan Ahmed
- Para Football Foundation, Arnhem, The Netherlands.,University Hospitals Dorset NHS Foundation Trust, Poole, UK.,School of Sport, Health and Exercise Science, University of Portsmouth, Portsmouth, UK
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Headache and musculoskeletal pain in school children are associated with uncorrected vision problems and need for glasses: a case-control study. Sci Rep 2021; 11:2093. [PMID: 33483534 PMCID: PMC7822909 DOI: 10.1038/s41598-021-81497-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Accepted: 01/04/2021] [Indexed: 01/15/2023] Open
Abstract
Musculoskeletal pain and headache are leading causes of years lived with disability, and an escalating problem in school children. Children spend increasingly more time reading and using digital screens, and increased near tasks intensify the workload on the precise coordination of the visual and head-stabilizing systems. Even minor vision problems can provoke headache and neck- and shoulder (pericranial) pain. This study investigated the association between headaches, pericranial tenderness, vision problems, and the need for glasses in children. An eye and physical examination was performed in twenty 10–15 year old children presenting to the school health nurse with headache and pericranial pain (pain group), and twenty age-and-gender matched classmates (control group). The results showed that twice as many children in the pain group had uncorrected vision and needed glasses. Most children were hyperopic, and glasses were recommended mainly for near work. Headache and pericranial tenderness were significantly correlated to reduced binocular vision, reduced distance vision, and the need for new glasses. That uncorrected vision problems are related to upper body musculoskeletal symptoms and headache, indicate that all children with these symptoms should have a full eye examination to promote health and academic performance.
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Hussaindeen JR, Murali A. Accommodative Insufficiency: Prevalence, Impact and Treatment Options. CLINICAL OPTOMETRY 2020; 12:135-149. [PMID: 32982529 PMCID: PMC7494425 DOI: 10.2147/opto.s224216] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Accepted: 08/05/2020] [Indexed: 05/04/2023]
Abstract
PURPOSE Accommodative insufficiency (AI), defined as the inability to stimulate accommodation in pre-presbyopic individuals, has gained much attention over recent years. Despite the enormity of the available information, there is a significant lack of clarity regarding the criteria for definition, methodology adopted for testing and diagnosis, and the varied prevalence across the globe. This review aims to gather evidence that is pertinent to the prevalence, impact and efficacy of available treatment options for AI. METHODS PubMed, Google Scholar and Cochrane Collaboration search engines were used with the keywords prevalence, accommodative insufficiency, symptoms, plus lens, vision therapy and treatment. Peer-reviewed articles published between 1992 and 2019 were included in the review. After reviewing the studies for study methodology and robustness, 83 articles were chosen for this literature review. RESULTS The prevalence of AI ranges between <1.00% and 61.6% across studies. The prevalence shows considerable variation across ethnicities and age groups. There is significant variation in the study methodology, diagnostic criteria and number of tests performed to arrive at the diagnosis. Not many studies have explored the prevalence beyond 20 years of age. The prevalence of AI is high among children with special needs. There is no high-quality evidence regarding the standard treatment protocol for AI. Both vision therapy and low plus lenses have shown efficacy in independent studies, and no studies have compared these two treatment options. CONCLUSION The understanding of AI prevalence is currently limited owing to the lack of a standard set of diagnostic criteria and wide variations in the study methodology. There is a lack of high-quality evidence suggesting the best possible treatment for AI. The current gaps in the literature have been identified and future scope for exploration is elucidated.
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Affiliation(s)
- Jameel Rizwana Hussaindeen
- Binocular Vision Clinic, Sankara Nethralaya, Unit of Medical Research Foundation, Sankara Nethralaya, Chennai600006, India
- Elite School of Optometry (in Collaboration with SASTRA Deemed University), Unit of Medical Research Foundation, Sankara Nethralaya, Chennai600016, India
| | - Amirthaa Murali
- Elite School of Optometry (in Collaboration with SASTRA Deemed University), Unit of Medical Research Foundation, Sankara Nethralaya, Chennai600016, India
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