In the 2010 census, for example, 94% of the U.S. population selected at least one of the five standard, government-defined racial categories â white, black, Asian, American Indian or Pacific Islander. Federal policy defines âHispanicâ not as a race, but as an ethnicity. And it prescribes that Hispanics can in fact be of any race. But these census findings suggest that standard U.S. racial categories might either be confusing or not provide relevant options for Hispanics to describe their racial identity.
A pupil-involving third-nerve palsy may be an unusual presentation of im-pending carotid occlusion. Baker LJ, Galetta SL, Yousem DM, Golden MA, Asbury AK. Pupil-involving third-nerve palsy and carotid stenosis: rapid recovery following endarterectomy.
For acquired fourth nerve palsy, see fourth nerve palsy. Congenital fourth nerve palsy is a condition present at birth characterized by a vertical misalignment of the eyes due to a weakness or paralysis of the superior oblique muscle.ases of congenital fourth nerve palsy vary in magnitude and way they affect the motion of the superior oblique muscle. Therefore different surgeries are available dependent upon the type of misalignment. Sometimes surgery on more than one eye muscle is required.