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 ...

Appellant Kenny Michael Plouff challenges his conviction for misdemeanor driving while intoxicated (“DWI”). He contends the trial court erred in admitting evidence of the horizontal gaze nystagmus ...

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 ...

Q: Which doctor should I consult for nystagmus? A: You can consult an ophthalmologist, who will also refer you to other specialists for a complete assessment of your condition. A: Some cases of early ...