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nys·tag·mus (n -st g m s). n. A rapid, involuntary, oscillatory motion of the eyeball.

Nystagmus is described in multiple online sources, as addition to our editors' articles, see section below for printable documents, Nystagmus books and related discussion.

Suggested Pdf Resources

Nystagmus testing in intoxicated individuals
Nystagmus is an involuntary eye movement of one or both eyes in any or all fields or gaze.
CHAPTER. 23. Nystagmus.
Congenital nystagmus
Idiopathic congenital nystagmus is defined as conjugated, spontaneous and idiopathic congenital nystagmus have been reported during non-visual tasks.

Suggested News Resources

Norwich alderwoman's DUI case continued
Precision needed
First, the “follow the pen” test, known as the Horizontal Gase Nystagmus Test, has not been used in Kansas courts as evidence of impairment for almost 20 years (see State v. Witte, 1992).
Apl De Ap urges cabalen to follow their dreams
Afflicted with nystagmus, or involuntary movement of the eyes, Apl was initially flown to the US by the Pearl S. Buck Foundation for treatment. As the disease progressed, his sponsor eventually adopted him, enabling him to stay in California.
Drunk drivers, beware OPD's new DUI patrol
That allows us to give expert testimony in court on horizontal gaze nystagmus," Barge said. Wright carries a stethoscope and blood pressure meter and uses physical tests to "bridge the [evidence] gap" from observed erratic driving to a DUI charge.
In his first issue, Tullos complains the trial court denied his motion requesting that testimony related to Tullos's Horizontal Gaze Nystagmus (HGN) testing be suppressed.

Suggested Web Resources

Nystagmus - Wikipedia, the free encyclopedia
Early onset nystagmus often accompanies vision loss acquired at birth or soon after and may be one of the first signs that a child has a loss of vision.
Nystagmus: MedlinePlus Medical Encyclopedia
Nystagmus may be caused by congenital diseases of the eye.
Nystagmus | American Optometric Association
Nystagmus is a vision condition in which the eyes make repetitive, uncontrolled movements, often resulting in reduced vision.
American Nystagmus Network
Apr 22, 2011 A nonprofit organization to serve the needs and interests of those affected by nystagmus.

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