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How does the eye-tracking work?
Webcam eye tracking
![](https://lumen-research.com/wp-content/uploads/2021/05/mobile-2-scaled-e1622123034525.jpg)
Lumen’s proprietary software turns your phone or computer’s webcam into a high quality eye tracking camera
The system calibrates the camera to the users’ eyes, estimating attention within a circle c 2.5cm or 1 inch diameter
All processing is done on the users’ device, and no video data or personally identifiable information is uploaded to our database
How the eye tracking works
![](https://lumen-research.com/wp-content/uploads/2021/05/Eye-scaled-e1622122985587.jpg)
The software looks for glints of light in the user’s eye and uses this information to estimate where they are looking on the screen
Attention to content
![](https://lumen-research.com/wp-content/uploads/2021/05/Machine-learning--scaled-e1622122914285.jpg)
The software also records what was on the screen, so that we can understand what was viewable, and what was actually viewed
Academic validation
![](https://lumen-research.com/wp-content/uploads/2021/05/Affiliation-1-e1621906134310.png)