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MedTech Outlook | Friday, September 02, 2022
Sports-related concussions occur yearly in the U.S., with 1.9 million adolescents or children.
FREMONT, CA: Each year, an estimated 3.8 million Americans sustain a sports-related concussion (SRC), including 1.9 million adolescents and children. These numbers are conservative, considering an estimated fifty percent of SRCs go undetected. SRCs can cause brain tissue damage and various incapacitating symptoms affecting cognition, sleep, balance, and gait. The severity of the injury and duration of healing from an SRC can vary considerably, with some persons recovering within days and others experiencing symptoms for months. Correctly detecting SRCs is crucial for treatment decisions and establishing when patients can return to competition safely.
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Many innovative gadgets can aid in the speedy and objective evaluation of SRCs. These gadgets can objectively test neurocognition, balance, and visual/oculomotor performance. The ability to assess eye movement is arguably the most promising objective of concussion detection. Eye monitoring as a biomarker for concussion detection may become the "gold standard," according to some medical specialists. Eye tracking is vital because a functioning brain allows a person's eyes to track objects effortlessly. If the brain is compromised, the eyes become unsteady and require correction. However, subtle eye changes are not always apparent to the "naked eye."
Eye-tracking technology for concussion detection has usually been restricted to a highly constrained area with significant medical equipment, such as a bench and chin rest, until recently. This equipment takes considerable cost and space, making installing and using this technology challenging for practitioners who may not frequently evaluate SRC patients.
Combining eye-tracking technology with an AR-enabled headgear is one solution. Concussion diagnosis can expand with a portable device like a headset. The process of bringing this answer from the laboratory to the bedside so that it can immediately benefit patients presents possible obstacles. Collaboration among stakeholders, such as technology businesses, researchers, medical professional associations, sports leagues, schools, and healthcare payers, could aid in addressing the following implementation challenges:
Constructing the technologies: Significant obstacles exist in developing a reliable eye tracker for use in a portable device, as tracking measurements must function in tandem with the display to perfectly match eye movement with the content displayed. This requires algorithms with a high capture rate that accurately detect the pupil and other essential eye geometries. Additionally, the design of the headset and optics must accommodate for varying eye shapes, sizes, interpupillary distances, and the potential of eyelashes and eyelids obstructing the tracker.
Building the body of evidence: For this head-mounted, portable technology to be accepted by the medical community, clinical data demonstrating the effectiveness of eye tracking will be crucial.
Utilizing statistics to raise awareness and adoption: Awareness of the importance of eye tracking to SRC identification and treatment and the capabilities of these devices is crucial for promoting adoption. Only 12 percent of professionals in the field of sports medicine were employing eye-tracking equipment, according to a survey-based study. This device's wide range of potential adopters will require focused instructional efforts supported by data and road maps to achieve optimal adoption.
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