An eye/gaze tracking system comprising circuitry, wherein the circuitry is configured to: obtain one or more images of a left eye (412; 520) of a user and one or more images of right eye (414; 510) of the user; determine a gaze direction of the left eye of the user based on at least one obtained image of the left eye; determine a gaze direction of the right eye of the user based on at least one obtained image of the right eye; determine a first confidence value based on the one or more obtained images of the left eye, the first confidence value representing an indication of a reliability of the determined gaze direction of the left eye; determine a second confidence value based on the one or more obtained images of the right eye, the second confidence value representing an indication of a reliability of the determined gaze direction of the right eye; and determine a final gaze direction based at least in part on the first confidence value and the second confidence value; wherein characterized in that the determination of the first confidence value is based on the one or more obtained images of the left eye further comprises: determining the first confidence value based on a contrast between a pupil (210; 630) and an iris of the left eye in the one or more obtained images of the left eye; and associating a first level of said contrast as a lower confidence value than a confidence value associated with a second level of said contrast, wherein the first level of said contrast is lower than the second level of said contrast; and determining the second confidence value based on the one or more obtained images of the right eye further comprises: determining the second confidence value based on a contrast between a pupil (210; 511; 630) and an iris of the right eye in the one or more obtained images of the right eye; and associating a first level of said contrast with a lower confidence value than a confidence value associated with a second level of said contrast, wherein the first level of said contrast is lower than the second level of said contrast. obtain one or more images of a left eye (412; 520) of a user and one or more images of right eye (414; 510) of the user; determine a gaze direction of the left eye of the user based on at least one obtained image of the left eye; determine a gaze direction of the right eye of the user based on at least one obtained image of the right eye; determine a first confidence value based on the one or more obtained images of the left eye, the first confidence value representing an indication of a reliability of the determined gaze direction of the left eye; determine a second confidence value based on the one or more obtained images of the right eye, the second confidence value representing an indication of a reliability of the determined gaze direction of the right eye; and determine a final gaze direction based at least in part on the first confidence value and the second confidence value; wherein characterized in that the determination of the first confidence value is based on the one or more obtained images of the left eye further comprises: determining the first confidence value based on a contrast between a pupil (210; 630) and an iris of the left eye in the one or more obtained images of the left eye; and associating a first level of said contrast as a lower confidence value than a confidence value associated with a second level of said contrast, wherein the first level of said contrast is lower than the second level of said contrast; and determining the first confidence value based on a contrast between a pupil (210; 630) and an iris of the left eye in the one or more obtained images of the left eye; and associating a first level of said contrast as a lower confidence value than a confidence value associated with a second level of said contrast, wherein the first level of said contrast is lower than the second level of said contrast; and determining the second confidence value based on the one or more obtained images of the right eye further comprises: determining the second confidence value based on a contrast between a pupil (210; 511; 630) and an iris of the right eye in the one or more obtained images of the right eye; and associating a first level of said contrast with a lower confidence value than a confidence value associated with a second level of said contrast, wherein the first level of said contrast is lower than the second level of said contrast. determining the second confidence value based on a contrast between a pupil (210; 511; 630) and an iris of the right eye in the one or more obtained images of the right eye; and associating a first level of said contrast with a lower confidence value than a confidence value associated with a second level of said contrast, wherein the first level of said contrast is lower than the second level of said contrast.