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This study proposes a general diagnostic approach based on a camera based eye-tracking technique and a discrete Kalman filter as an iris tracker. In an event driven scenario, the proposed iris-tracking method is used to locate and track the subject's eye movement and gesture by comparing it to a set of classified normal and typical gestures. The database is based on available videos as well as a number of experiments conducted with normal subjects. Proposed approach Utilized feature baseddoi:10.5281/zenodo.1317894 fatcat:gh6jjhh3wfdetdjrduuzjjlckm