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Auteur Leon Davies
Documents disponibles écrits par cet auteur
Ajouter le résultat dans votre panier Affiner la rechercheEffects of optical correction method on the magnitude and variability of accommodative response / Raimundo Jiménez in OVS : Optometry & Vision Science, vol. 96, 08 (Aout 2019)
[article]
in OVS : Optometry & Vision Science > vol. 96, 08 (Aout 2019)
Titre : Effects of optical correction method on the magnitude and variability of accommodative response Type de document : article de périodique Auteurs : Raimundo Jiménez ; Beatriz Redondo ; Leon Davies ; Jesús Vera Année de publication : 2019 Langues : Français (fre) Descripteurs (mots clés) : [Thésaurus Mesh]:M:Myopie:Myopie / thérapie
[Thésaurus Mesh]Accommodation oculaire
[Thésaurus Mesh]Lentilles de contact
[Thésaurus Mesh]Lunettes correctricesRésumé : SIGNIFICANCE The present study addresses the accommodative response and its dependence on the type of optical correction used. The results are discussed relative to their possible implications for myopia progression and visual fatigue.
PURPOSE The accommodative response has been investigated owing to its possible relationship with the onset and progression of myopia and visual fatigue. This study explored the influence of wearing soft contact lenses in comparison with spectacles in terms of magnitude and variability of accommodation. In addition, we analyzed the intersession and intermethod repeatability.
METHODS Dynamic accommodative response was recorded during 30-second epochs, at five different distances (50, 40, 33, 25, and 20 cm), in 21 individuals (mean refractive error ± SD, −0.79 ± 1.39 D) while wearing either soft contact lenses or spectacles on two different days. To assess repeatability, a second identical intervention was conducted.
RESULTS Higher lags of accommodation were obtained with the use of soft contact lenses in comparison with the spectacle condition (P = .04, partial η2 [ηp2] = 0.204), and similarly, a higher variability of accommodation at near distances was found during the soft contact lens measurement (P < .001, ηp2 = 0.647). There was a strong intersession repeatability at all the distances tested for both optical correction methods.
CONCLUSIONS The higher accommodative lag and fluctuations found while wearing soft contact lenses in comparison with spectacles may help to understand the mechanisms underlying myopia progression and asthenopia. These findings may be also considered when testing the accommodative response in research settings. Our test-retest design confirmed that there is a very good intersession repeatability for all the distances in both optical correction methods.Permalink : https://bibliotheque.helb-prigogine.be/opac_css/index.php?lvl=notice_display&id= [article]Exemplaires
Cote Support Localisation Section Disponibilité aucun exemplaire The visual challenges associated with driving / Howard Collins in OPTOMETRY TODAY, vol. 60, 09 (Décembre 2020-janvier 2021)
[article]
in OPTOMETRY TODAY > vol. 60, 09 (Décembre 2020-janvier 2021) . - p. 66-71
Titre : The visual challenges associated with driving Type de document : article de périodique Auteurs : Howard Collins ; Paul Hopkins ; Leon Davies Année de publication : 2020 Article en page(s) : p. 66-71 Langues : Français (fre) Descripteurs (mots clés) : [Thésaurus Mesh]Conduite automobile
[Thésaurus Mesh]Éblouissement
[Thésaurus Mesh]Myopie
[Thésaurus Mesh]Vision nocturne
[Thésaurus Mesh]Vision oculaireMots-clés : vision, ocular automobile driving night vision myopia glare Résumé : This article explores the visual challenges that patients face when driving in suboptimal conditions and outlines potential solutions En ligne : https://www.aop.org.uk/ot/cet/2020/11/25/the-visual-challenges-associated-with-d [...] Permalink : https://bibliotheque.helb-prigogine.be/opac_css/index.php?lvl=notice_display&id= [article]Exemplaires
Cote Support Localisation Section Disponibilité O Périodique Erasme - périodiques Périodiques Disponible