Abstract
Measurement of eye movement is an activity done with the help of eye tracking technology. In this activity, the movement of pupils is a respond towards the stimuli. It gives information as per the gaze point of the individual person. The biometric tools are used for analysing .[10].ET is being involved with most of the fields which includes HCI, Designs, Medicals, Psychology and Buisness Marketing.[6].This paper gives the explaination and importance of ET in the life of advancement and its history.It starts in the late 19th Century.ET is done by filming of the eye according to its behaviour.This Research Paper includes different types of fields in an explaination manner.It includes the process of how ET helps in Research based on previous evaluations.Eye is generally act as a tool of brain system.ET devices respond to the movement of stimuli
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