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Frequently Asked Questions > Questions about Different Diseases > Why can I experience vision problems from a pituitary tumor?

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Pituitary tumors rest just below an important part of the visual pathway in the brain.  This is called the optic chiasm.  When the optic chiasm is compressed by a pituitary tumor (often pushed upwards by the tumor), a patient may lose part of their visual fields especially in the periphery.  

Last updated on August 14, 2010 by Webmaster @ Neurosurgery