How People With Vision Impairment Use Their Gaze to Hit a Ball.

IF 2.6 3区 医学 Q2 OPHTHALMOLOGY Translational Vision Science & Technology Pub Date : 2025-01-02 DOI:10.1167/tvst.14.1.1
Ward Nieboer, Carin M Svensen, Kjell van Paridon, Debbie Van Biesen, David L Mann
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Abstract

Purpose: Understanding the impact of vision impairment on dynamic tasks requiring visual processing is crucial for developing effective adaptive strategies that support individuals with vision impairment in optimizing their performance in natural tasks. This study aimed to establish the gaze patterns used by individuals with vision impairment when hitting a moving target.

Methods: Nineteen tennis players with vision impairment were recruited and their eye and head movements were tracked while they returned tennis serves.

Results: Participants used a variety of different strategies to track the ball visually, dictated largely by the nature of their impairment rather than its severity. Cluster analysis showed distinct strategies based on the type of vision impairment: those with peripheral vision loss foveated the ball closely and avoided predictive eye movements; those with poor oculomotor control initially tracked the ball but lagged as it approached; and those with central vision loss used a variety of strategies that did not align with the use of a single preferred retinal locus: some tracked the ball using a single preferred location in their peripheral vision, some switched the area of retina used to track the ball, and another did not move their gaze at all.

Conclusions: Tennis players with vision impairment adopt a variety of impairment-specific adaptations to their gaze-tracking strategies, enabling them to successfully hit an approaching tennis ball despite severe vision impairments.

Translational relevance: This study provides insight into the impairment-specific gaze strategies that well-adapted individuals with vision impairment adopt when hitting a moving target.

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视力受损的人如何用他们的目光击球。
目的:了解视力障碍对需要视觉处理的动态任务的影响,对于制定有效的适应策略以支持视力障碍个体优化其在自然任务中的表现至关重要。本研究旨在建立视力受损个体在击中移动目标时使用的凝视模式。方法:招募19名视力障碍的网球运动员,对他们发球时的眼球运动和头部运动进行跟踪。结果:参与者使用各种不同的策略来视觉追踪球,这主要取决于他们损伤的性质,而不是严重程度。聚类分析显示了不同类型视力障碍的不同策略:周围视力丧失的患者密切注视球并避免预测性眼球运动;眼球运动控制较差的人最初会追踪球,但在球靠近时出现滞后;而那些中心视力丧失的人使用了各种各样的策略,这些策略并不与单一首选视网膜位点的使用一致:一些人使用他们周边视觉中的单一首选位置来跟踪球,一些人改变了用于跟踪球的视网膜区域,还有一些人根本不移动他们的目光。结论:患有视力障碍的网球运动员对他们的注视跟踪策略采取了各种特定的障碍适应,使他们能够在严重视力障碍的情况下成功地击中接近的网球。翻译相关性:本研究提供了对视力障碍患者在击中移动目标时所采用的损伤特异性凝视策略的见解。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Translational Vision Science & Technology
Translational Vision Science & Technology Engineering-Biomedical Engineering
CiteScore
5.70
自引率
3.30%
发文量
346
审稿时长
25 weeks
期刊介绍: Translational Vision Science & Technology (TVST), an official journal of the Association for Research in Vision and Ophthalmology (ARVO), an international organization whose purpose is to advance research worldwide into understanding the visual system and preventing, treating and curing its disorders, is an online, open access, peer-reviewed journal emphasizing multidisciplinary research that bridges the gap between basic research and clinical care. A highly qualified and diverse group of Associate Editors and Editorial Board Members is led by Editor-in-Chief Marco Zarbin, MD, PhD, FARVO. The journal covers a broad spectrum of work, including but not limited to: Applications of stem cell technology for regenerative medicine, Development of new animal models of human diseases, Tissue bioengineering, Chemical engineering to improve virus-based gene delivery, Nanotechnology for drug delivery, Design and synthesis of artificial extracellular matrices, Development of a true microsurgical operating environment, Refining data analysis algorithms to improve in vivo imaging technology, Results of Phase 1 clinical trials, Reverse translational ("bedside to bench") research. TVST seeks manuscripts from scientists and clinicians with diverse backgrounds ranging from basic chemistry to ophthalmic surgery that will advance or change the way we understand and/or treat vision-threatening diseases. TVST encourages the use of color, multimedia, hyperlinks, program code and other digital enhancements.
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