Nystagmus is a condition of the eye that is characterized by involuntary eye movement. The condition is mostly acquired during infancy or even later in life and causes limited or reduced vision. There are typically two types of nystagmus – pathological and physiological. The condition can be due to congenital eye disorders, disorders with the central nervous system, drug abuse or alcohol abuse.
HOW IS NYSTAGMUS DIAGNOSED?
The condition is rather evident and can be diagnosed by an ophthalmology specialist with a number of non-invasive standard eye tests. Caloric reflex test is the most common test that helps with diagnosis of this condition. Orthoptists may also use optokinetic drum, electrooculography to assess the eye movements.
HOW IS NYSTAGMUS TREATED?
There are several treatment options such as contact lenses, drugs and surgery available to patients with this disorder. Drugs such as memantine and levetiracetam have been found to be very effective.
DID YOU KNOW?
The two basic kinds of nystagmus are eye related and inner ear related.