eyes moving side to side when talking

 

If you are talking to your audience and at the same time you notice that your audience is moving and this has caused you fear and anxiety, we recommend that you read on. In the following, we are going to explain why some people have eye movements from one side to the other. Doctors use a term called nystagmus to describe the above conditions.

If you want to get information about side-to-side movement of the eye or nystagmus, we recommend that you read the following article. Understand that nystagmus may only be seen as a sign or symptom in a sick person. Nystagmus can occur temporarily in some people following some ear infections and some medications. Nystagmus can also have a genetic or hereditary cause.

 

What is nystagmus?

Sensory and motor nystagmus

What is the value and importance of nystagmus?

Nystagmus and its symptoms

Types of nystagmus

Causes of nystagmus

How is nystagmus diagnosed?

Treatment

 

 

What is nystagmus?

Doctors define nystagmus as follows

It is a sudden, involuntary, rhythmic movement of the eye that has one going phase, and one return phase. Movements can be horizontal, vertical, or rotational. Generally, nystagmus will affect both eyes of the affected person, and will often be exacerbated by looking at the specific direction of the nystagmus. According to the definition, the direction of nystagmus will be determined based on its fast phase. It is said that during the examination, we should not take our finger out of the patient's vision field, because if this happens, false nystagmus will occur. In the following, we will read more about nystagmus.

 

Sensory and motor nystagmus

In general, common types of nystagmus can be divided into the following two general categories:

  • Motor nystagmus:

Motor nystagmus begins around the age of six weeks to three months. Other members of the affected family may have abnormal eye movements that are similar to the affected eye, meaning that the family transmission pattern is more likely in these individuals. Movement in the nystagmus is usually horizontal and from left to right or right to left.

In these people, looking too closely at an object or seeing abnormal directions will reduce the severity of nystagmus and provide better vision when looking at close objects. The interesting thing is that the eye movements of these people will not cause moving objects. When we move objects away from people's eyes, vision may decrease, but as objects approach the eye, vision becomes almost normal. The important point is that there will be no limit to the learning ability of these people with motor nystagmus.

People with sensory nystagmus are associated with decreased vision for whatever reason. Sensory nystagmus usually begins at 6 to 8 weeks of age in infants. The eyes will look moving. Sometimes their movements are fast and sometimes slow. It is often said that in a person with sensory nystagmus, both eyes turn upwards and the eyelids may shake.

Sometimes vision loss can be treated, especially in newborns with cataracts. There are other factors that can lead to sensory nystagmus.

For example, disorders and diseases of the optic nerve or retinal disorders. These cases may not be treatable.

Once you have correctly identified the underlying cause for your child's nystagmus, you can consider a clear and scientific plan for his or her future.

 

What is the value and importance of nystagmus?

By the very precise and complex mechanisms that exist between the brain and the visual balance system, we can hold the image of the object we want to see on the yellow spot behind the eyelid called the retina to maximize the effect.

And thus the movements of the object we are looking at or the movements of the body and changes in the position of the head and neck do not change the image. Because if there is movement in the head and neck and the compensatory mechanisms are not able to perform corrective eye movements and keep the image created on the yellow spot constant, we will not be able to have a clear view of the object.

 

If physicians want to make this matter more scientifically, they will say so. If there are no persuasive movements, which are actually the slow pursuit movements of our eyes, we will not be able to have a perfectly clear and accurate image of a moving object continuously. If we want to give an example, we must say that if there were no physiological and natural movements of our eyes. We were not able to do this when we were sitting inside the train and we wanted to watch the outside environment from moment to moment, and the images of the outside environment of the train were like a blurry film that passed in front of our eyes.

 

Nystagmus and its symptoms

The main symptom of a person with nystagmus is rhythmic movements. These movements can often be seen and recognized by the audience with the naked eye. Some patients with nystagmus have an abnormal compensatory position of the head, which is to be in a position where there is a minimum and minimum amount of nystagmus. In some people with nystagmus, eye aberrations also occur. Apart from the above, sensory nystagmus also has other signs and symptoms that are a sign of underlying eye disease. For example, a person who has sensory nystagmus may have the following depending on the cause of the underlying disease.

  • Ptosis
  • Cataract
  • retinal diseases or disorders and diseases of the optic nerve

If there is a suspicion of an underlying disease in the nervous system, the necessary tests should be performed in this field and the affected child should be referred to a neurologist as soon as possible.

 

Types of nystagmus

  • Physiological nystagmus called optokinetic:

This nystagmus disappears temporarily in severe frontal injuries. It occurs when a person is in a stationary position and a particular moving object, such as a rotating cylinder, is placed in the person's field of vision, or when a person looks at fixed trees in a moving vehicle from inside a moving vehicle. This nystagmus disappears temporarily in severe frontal injuries. This nystagmus can be examined in hysterical individuals using a rotator cuff to see if there is really a morbid manifestation. !!!

 

  • Anatomical nystagmus:

Nystagmus may be anatomically central or peripheral. Central nystagmus may be horizontal, vertical, or rotational. Peripheral nystagmus is usually horizontal and one-way and will be accompanied by severe dizziness and nausea. Central lesions cause nystagmus lesions in the cerebellum and brainstem. And the environmental damage caused by nystagmus is related to the vestibular system of the ears and diseases such as meningitis and acute labyrinthitis.

If nystagmus is due to damage to the brainstem, the person may have eye movements in different directions. Injuries that can cause this condition include:

  • Injuries in which myelin is lost in the brainstem
  • Tumors
  • Arnold Chiari anomaly
  • Vascular injuries and problems
  • Wernicke syndrome
  • syringobulbia

If a person has problems and injuries at the angle of the bridge of the brain and cerebellum, these types of injuries are usually accompanied by bilateral Coarse nystagmus, in which the movement of the eyeball of the affected person towards the lesion is sharper and more violent.

 

  • Nystagmus oscillation:

There is another type called oscillating nystagmus. In this type, two eyes rotate vertically in opposite directions, this means that one eye will move down and out and the other eye will move up and in.

This movement is reciprocating and is also seen in lesions of the pituitary gland and tumors such as pharyngioma that affect the parasellar areas.

Brainstem injuries, especially in the brain bridge, are the source of vertical nystagmus.

 

  • Course nystagmus:

If a person has tumors and injuries to the cerebellopontine angle, he or she will develop bilateral nystagmus, in which the movement of the eyeball toward the lesion is more rapid and violent. This nystagmus is called course nystagmus.

 

  • Eye movement oscillopsia:

The person feels that the fixed object is moving forward, back, up and down or to the sides. This person has severe nystagmus in different directions. Oscillopsia occurs if a person has damage to the atrial nuclei of the brainstem.

  • ocular bobbing movement:

This type of eye movement involves spontaneous jumps!!!!! that the eyes make in the downward direction, after which the jumper down!!!!! the eye will slowly return to the midline. This condition is commonly seen in extensive destructive damage to the brain bridge.

 

  • Opsoclonus:

Fluctuations of the eyes that occur together and rapidly in a vertical or rotational horizontal direction.

Eye movement will intensify when the patient wants to keep their eyes steady. Opsoclonus also occurs if there is bilateral damage to the midbrain.

 

  • Eye distress:

In this movement disorder, the affected person's eyes will fluctuate rapidly several times when the image is fixed, then their movement decreases until it is finally stabilized. Severe cerebellar injuries can cause ocular dystrophy

 

Causes of nystagmus

The causes of nystagmus are categorized as follows:

  • Congenital disorder (congenital nystagmus is present from birth and lasts for the rest of a person's life)
  • Following albinism
  • Retinal diseases such as macular degeneration
  • Cataract
  • Labyrinthitis diseases
  • Ménière's syndrome
  • Dizziness is a benign condition
  • Eighth cerebral nerve injuries
  • MS
  • Brainstem encephalitis
  • Cerebral hemorrhage
  • Stroke
  • Wernicke syndrome
  • Cerebellar diseases
  • Cerebellar hemorrhage
  • Cerebellar infarction
  • Hereditary degeneration
  • Viral inflammation
  • Brain and cerebellar tumors
  • Arnold Chiari's anomalies

 

How is nystagmus diagnosed?

A person with nystagmus should see an ophthalmologist for a complete evaluation. Usually, a doctor can diagnose the cause by examining. The important factors involved in the diagnosis are as follows:

  • Age of onset
  • family history
  • Patient general health
  • special eye medications

The ophthalmologist measures the type of nystagmus, its speed and direction, and accompanying eye problems. It examines cataracts and diseases of the optic nerve and retina and ptosis, and blood tests and special photographs can be very helpful in diagnosing the underlying cause.

 

treatment

The underlying cause of nystagmus may also be treated by eliminating the underlying cause. For example, if nystagmus is due to cataract, it usually disappears with cataract treatment and after nystagmus surgery, but nystagmus is often persistent, but we can improve the reduced vision in these people by using glasses and assistive devices. If the eyes are more fixed in a particular direction, you should use prism glasses and eye muscle surgery. Surgery improves the condition of the head and gives better vision.

Nystagmus surgery is performed for the following three purposes:

  1. Correction of abnormal posture of the head and neck
  2. The term Strabismus
  3. Decreased severity and range of nystagmus

 

There are different types of surgical procedures available for this purpose and it should be noted that none of the above methods can completely eliminate nystagmus.

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