In 1995, French fashion magazine editor Jean-Dominique Bauby suffered a seizure while driving a car, which left him with a condition known as locked-in syndrome, a neurological disease in which the patient is completely paralyzed and can only move muscles that control the eyes.
source https://www.lifetechnology.com/blogs/life-technology-technology-news/system-helps-severely-motor-impaired-individuals-type-more-quickly-and-accurately