The EyeLink II has the fastest data rate and highest resolution of any head mounted video-based eye tracker. This exceptional data quality results in very low-velocity noise, making the EyeLink II ideal for a wide range of eye tracking research. The EyeLink II has the following features:
Pupil + Corneal Reflection and Pupil only tracking modes.
500 Hz binocular eye tracking.
0.5º average accuracy.
0.01º resolution.
Access to eye position data with 3.0 msec delay.
High quality computer based or scene camera eye tracking.
Fast and simple participant setup, calibration, and validation.
With the addition of the EyeLink II Scene Camera option, the EyeLink II can also be used for real-world eye-tracking applications that are not tied to a computer monitor.