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视力障碍者如何使用目光击球

Ward Nieboer^1,2, Carin M Svensen³, Kjell van Paridon⁴

¹International Paralympic Committee, Bonn, Germany.

Translational vision science & technology

|January 2, 2025

概括

视力受损的个体使用不同的凝视策略来击中移动的目标,根据特定的视力缺陷来调整他们的眼睛运动. 这些量身定制的方法可以在动态任务中成功执行.

科学领域:

眼科医生眼科眼科
神经科学是一个神经科学.
运动科学运动科学运动科学

背景情况:

有效的视觉处理对于动态任务至关重要.
了解视力障碍中的目光模式有助于制定适应性策略.

研究的目的:

识别视力障碍者在击中移动目标时使用的目光模式.
探索不同类型的视力障碍如何影响目光策略.

主要方法:

招募了19名视力受损的网球运动员.
在网球比赛中跟踪眼睛和头部运动,服务回报.

主要成果:

视力策略因视力障碍的类型而异,而不是严重程度.
周围视力丧失导致了近距离的视,并避免了预测性运动.
较差的眼运动控制导致眼睛运动滞后.
中部视力丧失显示出各种策略,包括外围追踪和没有凝视运动.

结论:

视力受损的网球运动员采用了各种各样的,针对视力受损的眼神调整.
这些策略有助于成功击球,尽管存在显著的视觉挑战.

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相关概念视频

Vision

Vision

Vision is the result of light being detected and transduced into neural signals by the retina of the eye. This information is then further analyzed and interpreted by the brain. First, light enters the front of the eye and is focused by the cornea and lens onto the retina—a thin sheet of neural tissue lining the back of the eye. Because of refraction through the convex lens of the eye, images are projected onto the retina upside-down and reversed.