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Nystagmus in early childhood may possibly be caused by a defect in the eye or visual pathway from the eye to the brain (the optic nerve). It occurs in a great range of eye disorders during childhood such as cataract, glaucoma, some disorders of the retina and albinism. Nystagmus may also occur in children who have multiple disabilities such as Down’s Syndrome.Several types of nystagmus can be inherited.
Although nystagmus cannot be cured, there are a range of options available to help treat the symptoms. Glasses, contact lenses and other visual aids may be beneficial to the sufferer and help correct the long or short sightedness.Very occasionally surgery may be recommended to help and adjust the position of the muscles of the eye, though this may not cure the problem altogether.
Nystagmus is not a contagious problem and cannot be transmitted in anyway, it is not caused by infections or viruses but is potentially dangerous until the cause of the complaint is discovered and managed.To discover the chances of someone passing on nystagmus to the next generation a specialist must first make an accurate diagnosis of the underlying condition. It may then become necessary to consult a geneticist for detailed information and counselling.
Medications and drugs can cause nystagmus. Causes include excessive drinking of alcohol or use of medications such as those given for seizure control. Often the nystagmus will improve if the medication is stopped, but discuss this with your physician.Nystagmus affects about 1 in 1,000 people worldwide, and congenital nystagmus often runs in families. The disorder can result from a neurological dysfunction and can also be associated with other optical conditions such as albinism, corneal opacity, cataracts, optic atrophy, and others. Nystagmus may also be a reaction to certain drugs or medications. In some cases, the disorder occurs for unknown reasons. .
Voluntary nystagmus can be created by some people, much in the same way as ear wiggling. Fine, rapid, horizontal movements can be produced and sustained for short periods of time. Disease-induced nystagmus is less common. It is often associated with neurological signs and symptoms.
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