Eye tracking improves XR user interfaces through gaze-based selection, foveated rendering, and attention analytics. Gaze-based selection allows users to interact with virtual objects directly by looking at them, enhancing experience efficiency. Foveated rendering optimizes performance by reducing graphical fidelity in areas outside the user's direct gaze, thus conserving computing resources[6]. Attention analytics tools can track and analyze user focus, providing insights into user behavior and improving interface design[3].
However, the use of eye tracking raises health and privacy concerns. Gaze data can reveal sensitive biometric information, leading to potential misuse if it falls into the wrong hands[2]. Implementing robust privacy measures is essential to ensure user data protection while maintaining the benefits of this technology[6].
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