ABSTRACT
Eye-tracking research uses eye-tracking devices, tools and software to collect record and analyse eye movement, eye position and gaze data. Eye-tracking research is used in both laboratory and field settings as a standalone research method or combined with other methods in mixed or hybrid approaches. Eye-trackers consist of projectors, video cameras and/or sensors, algorithms and software for data presentation. The most common eye-trackers work by beaming infrared or near infrared light via micro-projectors toward the centre of the eye. Algorithms are then used to calculate eye position, gaze point and movement. Software is used to present data in various forms, such as gaze plots that visualise the sequence of eye movements and heat maps that illustrate the combined gaze activity of a number of participants.
