Eye tracking in practice

This paper describes the practical side of eye tracker use in the field of human computer interaction. The paper relates to usability evaluations in practice covering those topics of primary importance to practitioners including the business case for eye tracking and the technique's benefits and limitations. The authors describe techniques, based on practical experience, to be deployed to ensure success with eye tracking and provide some useful links and references for those contemplating adoption of the technique. Ideas on future practical areas of deployment are discuss.