The science behind the signal.

Theia is built on decades of peer-reviewed eye-movement research, validated across clinical, developmental, and performance domains, and published in the field’s leading journals.

55+

Peer-reviewed publications across two decades

Validated

Built on RightEye’s FDA-cleared eye-tracking technology

585 billion+

Eye-movement data points across 16.3 million unique records

PUBLISHED IN · JAMA Neurology · Brain Sciences · Frontiers · Journal of Motor Behavior · Optometry & Vision Science · Springer

Research & clinical partnerships

Build on the science with us.

Two ways to work together, from joining a study to bringing a product to market.

Participate in our research studies

Join ongoing studies in cognition and performance, contributing to and building on the validated dataset behind Theia.

Apply to a study →

Commercial partnerships for clinical diagnostic products

Leverage our models and validated data to commercialize diagnostics and support drug development.

Discuss licensing →

Research collaborators include MIT · Duke University · Harvard · Mass General · U.S. Veterans Administration · and more

Diagnostic and drug-development products are developed and cleared by our partners.

Publications

The complete research library.

Every peer-reviewed study behind Theia. Search by title, author, journal, or topic.

55 publications

Build on validated science.

The same research foundation, now a real-time model you can ship.

Get started How it works

The foundation model for human-state intelligence, measured from eye movement alone.

Product

Platform Pricing Developers

Developers

Get started Get the SDK Documentation

Company

About Science & Research Contact

HarmonEyes technology is patented. Privacy statement: the HarmonEyes service does not record, collect or store any personal user data or eye-tracking data. Bethesda, Maryland, USA · sales@harmoneyes.com