Eye tracking is a technology that can monitor where a user is looking, so AR devices and interfaces can react to gaze.

Cameras inside of an AR headset or AR glasses capture a user's eye movement and detect a gaze direction. The system interprets this data to highlight digital objects, confirm selections, or adjust rendering quality of 3D models within a user's field of view.

The Apple Vision Pro uses eye tracking to know where the user is looking, to highlight UI elements naturally and seamlessly. This allows them to select apps and buttons in their space.

Eye tracking is a new form of input that can allow for natural interactions for users within spatial computing. This technology also facilitates foveated rendering, which can boost performance in many AR headsets.

Hand tracking, Field of view, Spatial computing

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