A disorder characterized by inflammation of the entire uvea which includes the iris, ciliary body, and choroid. Causes include systemic infections, sarcoidosis, and cancers.

Inflammation in which both the anterior and posterior segments of the uvea are involved and a specific focus is not apparent. It is often severe and extensive and a serious threat to vision. Causes include systemic diseases such as tuberculosis, sarcoidosis, and syphilis, as well as malignancies. The intermediate segment of the eye is not involved.