What are the most common forms of nystagmus?
Motor nystagmus tends to begin between six weeks and three months of age. Other family members may have similar unusual eye movements. The motion is usually horizontal. Often focusing up sloe or looking in an odd direction reduces the nystagmus intensity and improves the vision. Fortunately, patients DO NOT see the world moving as their eyes move. Vision may be reduced at distance but is almost normal up close. There are usually no limits to the educational potential of one who has motor nystagmus. Sensory nystagmus is associated with reduced vision of any cause. Sensory nystagmus usually begins at 6 to 8 weeks of age. The eyes appear to rove, sometimes slowly and sometimes quickly. Very often the eyes will also rotate upward and the eyelids may flicker as well. As a baby becomes older, he may poke at his eyes or wave his hands in front of them. Sometimes the cause is treatable as in babies who are born with cataracts. Other conditions which can lead to sensory nystagmus may not be tre
