Computer-assisted measurement replaces subjective observation. Four NHTSA-standard tests, quantitative results, and raw evidentiary data — on the iPhone you already carry.
Oculometrix Inc
A four-step assessment mirroring the NHTSA Standardized Field Sobriety Test protocol.
Capture a photo of the subject with body pose landmarks. Verify hardware and camera readiness before testing.
Horizontal Gaze Nystagmus and Smooth Pursuit tests using the iPhone TrueDepth camera and ARKit face tracking.
Walk-and-Turn and One-Leg Stand with real-time body pose analysis via Apple Vision framework.
Consolidated pass/fail for all four tests with quantitative metrics, raw video, and signal data.
Built for law enforcement. Grounded in science.
Spectral analysis of eye tracking data replaces subjective visual assessment with repeatable, quantitative metrics.
Automatic hardware verification and threshold adaptation ensures reliable results across different iPhone models.
Apple Vision framework detects 19 body pose landmarks in real-time for walk and balance tests.
Raw video and signal data saved locally and to cloud. Timestamped, device-identified, and tamper-evident.
Follows the National Highway Traffic Safety Administration Standardized Field Sobriety Test procedures.
AES-256 encrypted data sync over WiFi. All test data, videos, and signals available for audit and review.
4
SFST Tests Automated
60 fps
ARKit Eye Tracking
19
Body Pose Landmarks
See Oculometrix in action. We'll schedule a live demonstration for your department.
or reach us directly
demo@oculometrix.comWe typically respond within one business day.