Nystagmus is a disturbance in the balance of the eyes and their normal movement. With nystagmus, the gaze is unstable, vision is not very clear and the eyes quickly get tired from tension. Half of the information is transmitted to the brain from one eye, the other half from the other. This effect irritates the visual center of the brain and instead of one picture, the brain receives two, which increases the load on the body.
Pathogenesis of nystagmus
The first common cause of nystagus is deviations in children over 1 month of age. In approximately 80% of cases, the defect is congenital, another 95% of them are initial nystagmus.
In the first year of life, the child’s motor commands are chaotic because there are no optimal stereotypes. During this period, all necessary conditioned reflexes are formed, including those for the eyeballs. When reflexes are impaired, installation nystagmus develops. The child also recognizes his reflection in the mirror, but mirror nystagmus is very rare. The occurrence of this type of disease is influenced by other factors: hyperactivity and a weak nervous system in the child, decreased functionality of the nerve centers, and hearing impairment. In 50% of children by the first year of life, atropia is observed in the pupillary area. Some babies do not