Higher optic pathway lesion

What is a higher optic pathway lesion?

Depending on where an interruption (lesion) of the optic pathway takes place, there would be a different, but very characteristic visual field defects that range from partial to complete blindness.

What are the signs and symptoms of a higher optic pathway lesion?

The signs and symptoms depend on the underlying cause and on the type of lesion that causes the interruption of the visual pathway.

Signs and symptoms include:
• headaches;
• vomiting; and
• weakness.

How is a higher optic pathway lesion diagnosed?

A thorough history and physical examination is done first including a visual field test. Depending on the findings it may be necessary to do other tests such as a CT scan, MRI scan or even a PET scan in some special cases. Special views of the pituitary gland or of the orbital cavity may have to be requested from the radiologist.

How is a higher optic pathway lesion treated?

Treatment will be specifically directed at the underlying lesion that has been identified. This may involve several specialists such as an eye specialist, a neurologist, a neurosurgeon and in case of a pituitary tumour an endocrinologist as well.

This entry was posted by admin on Tuesday, February 15th, 2011 at 9:50 pm and is filed under Uncategorized . You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.