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 ...

When the cops pull you out of your car too see if you're too drunk to drive, they might test for Horizontal Gaze Nystagmus (HGN) before they tase you to the ground. HGN is a herky-jerky movement of ...

We were unable to process your request. Please try again later. If you continue to have this issue please contact [email protected]. Back to Healio An 11-year-old boy presented to the ...

A 27-year-old woman was referred to the New England Eye Center for evaluation of bilateral restricted eye movements, for which the patient characterized as being “in a daze.” She had initially ...

Law Enforcement Tested. Prosecutor Recommended. SFST/DRE Instructor Endorsed and Approved. Visit www.HGpeN.com to learn more and "LIKE" our page at www.facebook.com ...

It’s early Sunday morning. Deputy Thomas Vanik sits in his vehicle in the southern end of Carroll County, watching other cars drive past him. Bars have just let out after a typical Saturday night.

AN association between congenital nystagmus and hypothyroidism has not to our knowledge been suggested in the medical literature. Four patients have been seen at the Massachusetts General Hospital in ...