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