AbstractA simple visual paradigm involving a square-wave grating, introduced by Sheedy in 1981, was developed into a compact, portable device to be used for screening DWI offenders in the field.Get full access to this articleView all access options for this article.Get accessReferences1. Levett J. Hoeft G. (1977) Voluntary eye movements and alcohol. Aerospace Medicine, 48, 612–614.2.National Safety Council. (1988) Accident facts. Chicago, IL: Author.3. Sheedy J. E. (1981) The perceived stability of fixation. American Journal of Ophthalmology and Physiological Optics, 58, 149–154.
