What Is Optokinetic Nystagmus?
Charles is a frequent speaker and a prolific writer on all matters related to OVI / DUI defense.
Optokinetic Nystagmus can occur when the Horizontal Gaze Nystagmus Test is given in the proximity of rapidly moving lights or in the presence of strobe-like effects. DUI attorneys often see the lights from a police car create an optokinetic effect similar to that described in the video.
![What Is Optokinetic Nystagmus? 1 Reblog this post [with Zemanta]](http://img.zemanta.com/reblog_e.png?x-id=dce780d8-5af7-45b6-a65c-eb861bd0e658)

