Nystagmus: Causes, Symptoms & Treatments
Nystagmus is a type of uncontrolled eye movement that affects 1 out of 2000 individuals that alternates smooth eye movement in one direction and short or abrupt movement in the other direction. Mostly movements can be found from side to side but sometimes you can find movement up and down. It is not very painful and one does not have to worry much as it does not lead to any progressive loss of vision. It has been found that more than 40 different types of nystagmus can be found that are classified into two basic categories. One of them is known as congenital or Pediatric nystagmus which is usually present from early in life. Another one is known as Acquired nystagmus that develops later in life.
Pediatric and Acquired Nystagmus
Pediatric nystagmus is caused due to the problem of the eyes that lead the virtual pathways from the brain to the eyes. It is first observed between 6 to 8 weeks of age. On the other hand, Acquired Nystagmus, which is acquired later in life, is caused by lesions in the cerebellum. It is caused due to the main reason of neurologic function such as brain tumors and head injury.
Risk factors of Nystagmus
There are some risk factors that are associated with nystagmus where it increases the chance of certain problems like severe astigmatism, albinism, optic nerve degeneration and so on. Researchers are working hard to find a cure for nystagmus. Contact lens helps to some extent in reducing this problem. While there are some tests like visual acuity which can be done but there are people who think that this type of treatment only decreases the vision. So, it is important to make sure to take the right steps that would help to find the best treatment for nystagmus.
The only proven therapy that can improve vision in case of Nystagmus is Neurovision, a clinical study on 28 patients from 16 clinics in 5 countries, demonstrated significant improvement in visual acuity as well as contrast sensitivity.