Tobii Dynavox I-Series+
Eye tracking technology


Most robust and best performing eye tracker to date

The I-Series+ eye tracker is based on an additional five years of research and development as well as test data compared to its predecessor. Approximately 800 individuals with different conditions, vision, ethnicities, everyday dust, smudges or blemishes around their eyes, with eyes out of focus, etc. were tested and based on these extensive tests we’ve rewritten our eye tracking algorithms and filters. This knowledge has been packaged as new patents, new eye models, higher robustness and the world’s first eye tracking ASIC circuit, the Tobii EyeChip™.

Custom eye tracking components

The I-Series+ has custom-made illuminators and cameras, specifically made for eye tracking. Having these individual components makes it possible to deliver great eye tracking accuracy as well as precision. It gives us the freedom to tweak performance based proactively on our own proprietary components.

60Hz for twice the amount of data

The new eye tracking platform IS4 is a 60 Hz solution, compared to the 30 Hz of the predecessor. This means that the IS4 captures twice as much data per second, and with this surplus of data the Tobii EyeChip™ is better able to filter out errors that lead to poor precision. This is something that, in particular, individuals with ALS should notice.

An illustration of an eye with reflections

One point calibration

The I-Series+ now also supports one-point calibration, which is helpful for users who have difficulties keeping focus on the calibration target. It is a fantastic way to get started with eye tracking at a beginners level by making use of a simple, quick and still accurate calibration for cause-and-effect style activities and games.

The Tobii advantage

Tobii is the global pioneer of eye tracking technology, with over 11 years of dedicated research, experience and innovation. Over the years we have improved our technology and expertise, which is built into all our eye trackers, including the Tobii Dynavox I-Series+.

Advanced patented algorithms, filtering and high quality components, to name a few, make all Tobii eye trackers extremely accurate, precise and robust.

High precision and accuracy

The I-Series+, together with the zoom functionality of Tobii Dynavox Gaze Selection, allows you to hit even the smallest targets on the screen, almost with pixel precision, again and again.

Largest trackbox

The trackbox, the imaginary volume within which you can move your head without losing accuracy, or interrupting the eye tracking session, is among the largest on the market. The large size gives you the freedom to sit or lie down comfortably with maintained eye tracking performance.

Head movement compensation

Move freely within the trackbox while maintaining superior precision and accuracy. Should you move outside of the trackbox, the I-Series+ will quickly find your eyes again and continue to track them.

Superior trackability

The I-Series+ provides high-quality tracking results for over 95% of the users*, compared to any other system, regardless of most lighting conditions, eye color, or if you are wearing contacts or glasses.

*results based on hundreds of thousands of diagnostic images and tests on approximately 800 individuals with different conditions, vision, ethnicities, everyday dust, smudges or blemishes around their eyes, with eyes out of focus, etc.