RecruitingDevice studyAn Early Prospective Study of the Traq™ Device for Characterization of Binocular Ocular Function in Normal Subjects and Subjects With Recent Traumatic Brain InjuryThe early prospective study of Traq™ (an investigational binocular ophthalmic neurodiagnostic device) will measure binocular ocular functions (bilateral foveal fixation, foveal binocularity, and fovea-tracked saccadic latency) in normal subjects and those with history of mild-to moderate traumatic brain injury (mTBI).