Middle childhood is a common time for the recognition of vision problems, especially when children first have assigned seats in classrooms. Vision screening, an important part of your child's checkups, may reveal the need for further vision testing.
People who develop nystagmus early in life typically are not aware of their eye movements, but other people may see them. Children who develop nystagmus in infancy do not see the world shaking back and forth, even though their eyes are in constant motion. Learn more about the condition here.