"The vestibular system processes balance-related, visual (from the eyes), and somatosensory (from the muscles) information. A normal vestibular system allows an individual to stabilize the eyes and the body during movements of the head. If the individual has a vestibular disorder, vision and/or balance may be affected."
Read more about the anatomy of the ear and how it relates to the vestibular and central nervous system https://vestibular.org/news/03-17-2015/patient%E2%80%99s-guide-vestibular-system