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<p>The study targets the “Midas touch” phenomenon and the spatial precision limitations of eye-movement interaction. A line-of-sight click enhancement strategy based on an extended sensing region is proposed, and the VR “line-of-sight selection + gesture triggering” bimodal interaction mode is studied. Six sensing-area radii were tested to examine their effects on task completion time, success rate, visual fatigue, and subjective experience. The results show that expanded sensing region reduces the need for fine-grained gaze adjustments and supports more stable and efficient target acquisition. Further quantitative analysis indicates that a sensing radius approximately 1.8–2.2 times the target diameter provides a practical balance between accuracy, operational efficiency, and user comfort. The study offers a practical sensing-radius guideline for gaze–gesture interfaces and a lightweight usability enhancement strategy that requires no hardware changes, providing useful direction for future VR systems.</p>

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Research on the visual click enhancement strategy of VR hand-eye bimodal interaction

  • 期刊论文

  • 发表日期：

    2026年1月12日

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  • Chuanyuan Wu,
  • Jian Lv,
  • Zhengming Zhang,
  • Yukang Hou

摘要

The study targets the “Midas touch” phenomenon and the spatial precision limitations of eye-movement interaction. A line-of-sight click enhancement strategy based on an extended sensing region is proposed, and the VR “line-of-sight selection + gesture triggering” bimodal interaction mode is studied. Six sensing-area radii were tested to examine their effects on task completion time, success rate, visual fatigue, and subjective experience. The results show that expanded sensing region reduces the need for fine-grained gaze adjustments and supports more stable and efficient target acquisition. Further quantitative analysis indicates that a sensing radius approximately 1.8–2.2 times the target diameter provides a practical balance between accuracy, operational efficiency, and user comfort. The study offers a practical sensing-radius guideline for gaze–gesture interfaces and a lightweight usability enhancement strategy that requires no hardware changes, providing useful direction for future VR systems.