Nystagmus - uncontrolled eye movements
Encyclopedia Symptoms / / May 25, 2016
Alternative names: involuntary eye movement;rapid eye movement from side to side
«Nystagmus" - a term to describe the rapid, uncontrollable eye movements that can be:
- from side to side (horizontal nystagmus);
- up and down (vertical nystagmus);
- rotary (rotary or rotary nystagmus).
Depending on the cause, these movements can be in both eyes, or in one eye only.The term "dancing eyes" is also used to describe nystagmus.
involuntary eye movement (nystagmus) are caused by a violation in the area of the brain functions that control eye movement.Part of the inner ear that senses movement and helps control eye movement.
There are two forms of nystagmus:
- infantile nystagmus syndrome - is present at human birth (congenital);
- Acquired nystagmus develops later in life due to illness or injury.
infantile nystagmus syndrome - is nystagmus, which is present from birth.
Children nystagmus is usually mild, bland.It does not become more severe with age, and is not assoc
People with the disease usually unaware of their eye movements, but others can see them.If a strong movement, the visual acuity can be less than 20/20.Surgery may improve vision.
Nystagmus can be caused by congenital diseases of the eye.And although the nystagmus is rare, an ophthalmologist should carefully examine the eyes of any child to check his eye disease.
acquired nystagmus. most common cause of acquired nystagmus are certain drugs or medications.Anticonvulsant medications Phenytoin (Dilantin), excessive use of alcohol or any sedative drugs can cause nystagmus development.
- traumatic brain injury from traffic accidents;
- inner ear disorders - such as for example Meniere's disease;
- an overdose of thiamine or vitamin B12.
Any brain disease (eg, multiple sclerosis or brain tumors) can cause nystagmus, if the damaged area, controlling eye movement.
Diagnosis and treatment
possible, the patient will have to make changes in your home, to solve the problems of dizziness, vision or nervous system.
encourage the patient to see a doctor if they have symptoms of nystagmus or he thinks he can have them.
Your doctor will have to carefully study the medical history and conduct a thorough physical examination of the patient, focusing on his nervous system and the inner ear.The doctor may ask the patient to wear glasses to improve eyesight.To check
nystagmus doctor may use the following procedure:
- standing patient should rotate around its axis in about 30 seconds, then he should stop and try to look on the doctor said object;
- eye patient will first move slowly in one direction, then quickly move in the opposite direction.
If the patient has nystagmus due to health condition, these eye movements will depend on its cause.
Questions asked in the history of the disease, may be the following:
- when the patient first noticed the eye movements;
- how often they occur;
- whether it happened before;
- whether there is an eye movement from side to side;
- whether there is an eye movement up and down;
- what medicines the patient takes;
- which still have symptoms of the patient.-; Head CT
patient following studies may be appointed
- electrooculography: electrical method of measuring eye movements using tiny electrodes;
- MRI of the head;
- vestibular testing by recording eye movements.
In most cases of congenital nystagmus treatment there.Treatment of acquired nystagmus depends on its cause.In some cases, the nystagmus is incurable.In other cases, due to drugs or infection generally passes nystagmus or weakens.
following treatments can help improve visual function in patients with infantile nystagmus syndrome:
- special glasses;
- operation - such as tenotomy;
- drug therapy for infantile nystagmus.