Take Care of Your Vision After a Stroke with Neuro Optometric Rehabilitation

More than 50% of neurologically impaired patients have a visual or visual-cognitive disorder. A stroke is a neurological episode that causes impairment and it is essential to take care of your vision after experiencing a stroke. Learn about neuro optometric rehabilitation and how it can help you.

Take Care of Your Vision After a Stroke with Neuro Optometric Rehabilitation in PRIMARYCITY

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What is neuro vision rehabilitation?

The objective of neuro vision rehabilitation is a customized treatment plan created by an optometrist specializing in neuro optometric rehabilitation, taking account of the patient's specific needs, which may include visual, cognitive, and motor impairments. These patients, who span all ages, have a visual impairment which could be caused by a variety of neurological factors, including suffering from a stroke. Unfortunately, it is not uncommon for the visual deficits that these patients are experiencing to be misunderstood which can lead to a misdiagnosis, such as a learning disability or an attention deficit disorder. Neuro optometry uses the principle of brain plasticity to retrain the brain how to properly communicate with the eyes in order to strengthen the visual system after a stroke.

Neuro vision rehabilitation treats many visual conditions, including:

  • Traumatic visual acuity loss
  • Traumatic loss of visual field
  • Diplopia
  • Strabismus
  • Convergence disorders
  • Accommodative disorders
  • Binocular dysfunction
  • Oculomotor dysfunction 
  • Paralysis/ paresis
  • Visual perception deficit
  • Visual spatial dysfunction 

A referral for neuro-vision rehabilitation can improve a patient's quality of life.

 

Visual Damage Following a Stroke

Visual Damage Following a Stroke

There are other characteristic types of damage to the visual system that can occur after a stroke:

Dry Eyes

Some people who have suffered a stroke have a hard time blinking or fully closing their eyes which can affect the moistness of their eyes and can lead to dry eyes. This can cause a burning sensation, irritation, and/ or blurry vision.

Eye Movement Disorders

There are various ways that a stroke can affect the nerves and muscles that control your eye movements. Some examples include:

  • Diplopia - double vision
  • Nystagmus - a condition when the eyes move in a constant vibrating type of motion
  • Strabismus - the eye is misaligned with the other eye
  • Oculomotor dysfunction - difficulty controlling eye tracking movements

The third cranial nerve, known as the oculomotor nerve, and the third nerve nuclei are particularly vulnerable following a stroke. Due to the fact that these innervate eight out of twelve of the extraocular muscles, there are certain characteristic signs and symptoms that can be noticed after a stroke. Similarly, the sixth cranial nerve and nuclei are also susceptible to damage due to a stroke. The sixth nerve is known as the abducens nerve and it innervates two of the twelve extraocular muscles.

Oculomotor Nerve Damage Can Cause: Abducens Nerve Damage Can Cause:
  • Ptosis 
  • Fixed and dilated pupil
  • Convergence insufficiency/ infacility
  • Accommodative insufficiency/ infacility
  • Exotropia 
  • Exophoria 
  • Divergence insufficiency/ infacility 
  • Esotropia 
  • Esophoria
  • Restricted abduction of the damaged eye

There are many other ways that the eyes can be affected, but above are some of the most typical eye conditions caused by a stroke.

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Summary

The objective of neuro vision rehabilitation is a customized treatment plan created by an optometrist specializing in neuro optometric rehabilitation, taking account of the patient's specific needs, which may include visual, cognitive, and motor impairments. Some people who have suffered a stroke have a hard time blinking or fully closing their eyes which can affect the moistness of their eyes and can lead to dry eyes. This can cause a burning sensation, irritation, and/ or blurry vision.

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