US Patent 12118139 Optical system providing accurate eye-tracking and related method

During an eye-tracking operation of an optical system, one or multiple eye images are captured. One or multiple gaze points of the user are computed based on the one or multiple eye images of the user. A user interface containing one or multiple UI elements is provided based on the one or multiple gaze points of the user. A performance map of the eye-tracking operation is provided based on the one or multiple eye images of the user. At least one UI element is adjusted based on the performance map of the eye-tracking operation.