US Patent 11340461 Devices, systems and methods for predicting gaze-related parameters

A head-wearable spectacles device for determining one or more gaze-related parameters of a user is disclosed. In one example, the device includes a spectacles body having a middle plane and configured for being wearable on a user's head, a nose bridge portion, a left lateral portion, a right lateral portion, a left ocular opening and a right ocular opening. The middle plane intersects the nose bridge portion. The respective ocular opening is located between the nose bridge portion and the respective lateral portion. The device includes a left camera, a right camera, and a scene camera.