Optic Nerve Hypoplasia

The optic nerve acts as a transmitter of signals from the eyes to the brain. Optic Nerve Hypoplasia (OHN) is a medical condition that arises through the under development of the optic nerve. People who have this condition have fewer or shorter Optic Nerves, this means the transmission of signals to the brain is effected, this condition can effect either one or both eyes.

The extent of the effect of the vision can vary from severely visually impaired to near-normal vision.Most children who have this condition demonstrate development delays, these delays are normally most apparent in motor skills and less so in communication.

In a lot of cases of ONH there is an improvement in sight. An under development of the pituitary gland can occur in some cases of ONH, this can lead to hormonal dysfunctions in the body.

What are the symptoms of Optic Nerve Hypoplasia?

  • Lack of visual responsiveness; this is dependant on the extent of the under development of the optic nerve
  • Involuntary movements of the eye.
  • What are the causes of Optic Nerve Hypoplasia?

  • There are no know causes for this condition
  • There has been some evidence to suggest a genetic link
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