Detecting oculomotor problems using eye tracking: Comparing EyeX and TX300

Most of our daily activities are dependent on our eyes. Having oculomotor dysfunctions, i.e. problems with coordinating the muscles around each eye, means it will become difficult to focus both eyes at the same point. While a large percentage of the population may suffer from some oculomotor dysfunction, the detection of these problems is difficult and resource demanding. There are great promises from technologies supporting human experts in the detection of oculomotor problems. This paper compares the use of two different eye-tracking technologies supporting the identification of oculomotor problems. It examines the use of a portable and affordable laptop-based eye tracker (EyeX) with a more expensive eye tracker (TX300) significantly heavier. The data were collected from screening a class of 39 children in a 3rd grade. The results show the applicability of low-cost eye-trackers for recognizing oculomotor problems and discuss the benefits and limitations of the used eye-trackers as support for manual screening by experts.

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