Nystagmus is the medical term to describe involuntary eye movements. The eyes may move vertically, horizontally, in circles, or erratically in different directions. Nystagmus affects about 1 in every ...

The Pennsylvania Supreme Court has affirmed a Superior Court ruling that a horizontal gaze nystagmus test provides sufficient evidence for probable cause and an arrest in DUI cases. The Pennsylvania ...

INDIANAPOLIS (WISH) — It’s about the size of a small screen, and yet, it could have a major impact on how field sobriety tests are conducted in the United States. Peter Zahart of Winamac calls it the ...

Dizziness is a nonspecific term that refers to various abnormal sensations of body orientation in space; patients often find these sensations difficult to describe. The prevalence of dizziness in the ...