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25/09/2014 at 08:41 #1743
you can use the “eye positions” data stream to get the relative distance to the screen. Pupil dilation is not available in the EyeX API, you’ll need a tracker from Tobii’s Analysis product range and the Analytics SDK to record that.
Thanks for the link to the Intel documentation. We’re planning to give the SDK documentation a major upgrade in the near future.