Intended Use

The EyeBOX is intended to measure and analyze eye movements as an aid in the diagnosis of concussion (mild traumatic brain injury) in patients 5 through 67 years of age in conjunction with a standard neurological assessment of concussion. It provides a BOX score to indicate likelihood of concussion within one week of injury.

Technology

The device consists of a host PC with touchscreen, eye tracking camera with a high-speed near-infrared sensor recording gaze position 500 times per second, a stimulus LCD screen, and head stabilization hardware. It uses a data processing algorithm that analyzes recorded eye movement data to detect subtle changes indicative of concussion. It produces a diagnostic BOX score and additional eye-tracking and pupillometry metrics compared against a normative database.

Performance

Performance testing included software verification, user acceptance testing, normative database testing, and output report metric validation. Accuracy and precision of eye-tracking metrics (gaze position, pupil size, blink detection) were confirmed. Test-retest reliability was evaluated with 30 healthy individuals, demonstrating reproducibility of the metrics. Added eye-tracking parameters did not negatively impact device accuracy or safety.

Predicate Devices

No predicate devices specified

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