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SR Research Eye Trackers

EyeLink II

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The EyeLink II system consists of three miniature cameras mounted on a padded headband. Two eye cameras allow binocular eye tracking or selection of the subject’s dominant eye. An optical head-tracking camera integrated into the headband allows accurate tracking of the subject’s point of gaze without the need for a bite bar.


EyeLink II
500 Hz binocular eye monitoring
0.5º average accuracy
Access eye position data with 3.0 msec delay
0.01º RMS resolution
High quality computer based or scene camera eye tracking
Fast and simple participant setup, calibration, and validation

Tobii Eye Tracking

Tobii T60/T120

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The Tobii T60 and T120 Eye Trackers are integrated into a 17" TFT monitor. They are ideal for all forms of eye tracking studies using screen based stimuli.


Tobii T60 Eye Tracker Tobii T120 Eye Tracker1
Accuracy (degrees) 0.5 0.5
Drift (degrees) < 0.3 < 0.3
Freedom of Head Movement (cm) 44 * 22 * 30 30 * 22 * 30
Data Rate (Hz) 60 120
Binocular Tracking Yes Yes
Display Size (inch) 17 17
Display Resolution (px) 1280 * 1024 1280 * 1024
Bright/Dark Pupil Tracking Both - automatic optimization Both - automatic optimization
Eye Tracking Server Embedded Embedded
User Camera Built-in Built-in
Audio Built-in Speakers Built-in Speakers

1The Tobii T120 Eye Tracker can also run in T60 mode with full head movement box

Tobii TX300

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SMI Eye Tracking Systems


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IViewX user manual: media:IViewX.pdf