Abstract
3D TV is a new platform to enjoy the stereoscopic environment in the home and eye tracking technology has been extensively utilized to evaluate the 3D TV. This study was mainly intended to explore an additional eye movement parameter that can predict the eye gaze accuracy and symptoms while perceiving the image in the 3D TV. A total of 12 graduate students were asked to perform tapping task in the 2D and 3D TV using within-subject design under 6 different levels of index of difficulty (ID). Structural equation modeling (SEM) was applied to analyze the causal relationship between 2D/3D environment, a new eye movement parameter, eye gaze accuracy, and symptoms. The result showed that error rate was found as a significant mediator of the relationships. In addition, the SEM approach was also found as a new significant and reliable approach in the visual ergonomics particularly for bridging the objective and subjective measures. Finally, the new eye movement parameter can be an important key for predicting eye gaze accuracy in the stereoscopic display.
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