101. Dr. Koop - Eye Movements - Uncontrollable Back and forth eye movements; Involuntary eye movements; nystagmus; nystagmus refers to rapid involuntary movements of the eyes that may be from side to http://www.drkoop.com/ency/93/003037.html

Home Health Reference Eye movements - uncontrollable Jul 29, 2005 Search: Dr.Koop MEDLINE Diseases Symptoms Procedures Natural Medicine ... Drug Library Inside DrKoop News Archive Animations Health Videos Health Tools ... Newsletters Eye movements - uncontrollable Injury Disease Nutrition Poison ... Treatment Eye movements - uncontrollable Definition: Uncontrollable eye movements are involuntary, rapid, and repetitive movement of the eyes. Alternative Names: Back and forth eye movements; Involuntary eye movements; Nystagmus; Rapid eye movements from side to side; Uncontrolled eye movements Considerations: Nystagmus refers to rapid involuntary movements of the eyes that may be from side to side (horizontal nystagmus), up and down (vertical nystagmus) or rotary. Depending on the cause, these movements may be in both eyes or in just one eye. The term "dancing eyes" has been used in regional dialect to describe nystagmus. The involuntary eye movements of nystagmus are caused by abnormal function in the areas of the brain that control eye movements. The exact nature of these disorders is poorly understood. Nystagmus may be either congenital (present at birth) or may be acquired (caused by disease or injury later in life). CONGENITAL NYSTAGMUS Congenital nystagmus is more common than acquired nystagmus. It is usually mild, does not change in severity, and is not associated with any other disorder.

102. Dr. Koop - Nystagmus- Health Encyclopedia And Reference nystagmus Symptoms, Treatments and Medications. nystagmus is an unintentional jittery movement of the eyes. nystagmus usually involves both eyes and is http://www.drkoop.com/encyclopedia/93/516.html

Home Miscellaneous Anatomy/Biology Neurology Sep 09, 2005 Search: Dr.Koop MEDLINE Diseases Symptoms Procedures Natural Medicine ... Drug Library Inside DrKoop News Archive Animations Health Videos Health Tools ... Newsletters Health Encyclopedia - Diseases and Conditions A B C D ... Y Nystagmus What is the Definition of Nystagmus? Description of Nystagmus Causes of Nystagmus Diagnosis of Nystagmus ... What Questions to ask Your Doctor About Nystagmus? What is the Definition of Nystagmus? Nystagmus is an unintentional jittery movement of the eyes. Nystagmus usually involves both eyes and is often exaggerated by looking in a particular direction. top ^ Description of Nystagmus Minor degrees of nystagmus at the extremes of gaze are normal. Many conditions are associated with nystagmus. Sometimes, the brain's control of eye movements is poor, resulting in an inability to look steadily at an object. Some forms of nystagmus are associated with reduced vision, such as occurs in extreme near or farsighted people or in those with scars in the retina or optic nerve. Rarely, nystagmus can occur as a result of brain tumors or in serious neurologic disorders.

103. Nystagmus Network - Patient UK nystagmus Network Patient UK. A directory of UK health, disease, illness and related medical websites that provide patient information. http://www.patient.co.uk/showdoc/26739174/

Nystagmus Network 13 Tinsley Close Claypole Newark Nottinghamshire Helpline: 01392 272 573 Tel: 01636 627 004 Web: www.nystagmusnet.org Nystagmus is a form of visual impairment. It is an involuntary eye movement which cannot be corrected by wearing spectacles or contact lenses. Accompanying eye conditions such as short or long sightedness or astigmatism may be corrected, enabling the sufferer to see more clearly. The Network is a self-help group run by people who are affected by nystagmus. The Action Group was founded in 1984 by Vivien Jones whose son, Sam, has nystagmus. Founder members had all experienced widespread ignorance about nystagmus and decided to set up a self-help group to provide support and information to all those affected. The group aims to promote awareness, understanding and to encourage medical research into the condition. The Network is involved in the following activities. Publications include a 40 page information pack for parents and a 39 page pack for teachers. Also, a number of factsheets including: Nystagmus and Driving Nystagmus and computers Early Onset Nystagmus , and Wobbly Eyes Operation of Insight, a phone-in service for those living with or interested in nystagmus.

104. Nystagmus - Patient UK nystagmus Patient UK. A directory of UK health, disease, illness and related medical websites that provide patient information. http://www.patient.co.uk/showdoc/40000738/

PatientPlus articles are written for doctors and so the language can be technical. However, some people find that they add depth to the articles found in the other sections of this website which are written for non-medical people. Nystagmus Regular uncontrolled oscillations of the eye. The most common form is 'jerky nystagmus' where the eye(s) drift slowly from the midline and are then quickly brought back. Alternative is 'pendulous nystagmus' where moves side-to-side or up and down at the same rate. Nystagmus can occur in one eye or both and, if both of them, simultaneously or separately. The movement can be horizontal, vertical or (torsional) rotational. However, main division is into: Acquired - most cases are due to a disturbance in the vestibular system Congenital - often caused by abnormalities in the oculomotor system or impaired vision. Eye movement control To diagnose the cause of nystagmus it is necessary to know how the eye is kept in position on a target object (foveal centration). This involves the vestibular system, the VIIIth cranial nerve and vestibular nuclei along with the saccadic generator, found in the paramedian pontine reticular formation, that is responsible for rapid corrections. All these are found in pairs acting against each other. Acquired nystagmus More common forms are: Vestibular nystagmus Need to differentiate peripheral from central forms.

105. Nystagmus Explores the evidence linking nystagmus to magnesium and/or thiamin deficiencies. http://www.mindspring.com/~sandysimmons/nystagmus.html

The page: Nystagmus The Links to Nutrition that was formerly at this URL has moved to http://www.ctds.info/nystagmus.html Please click on the link above to go to the new URL. Medicine being a compendium of the successive and contradictory mistakes of medical practitioners, when we summon the wisest of them to our aid, the chances are that we may be relying on a scientific truth the error of which will be recognized in a few years' time. M. Proust We sit at breakfast, we sit on the train on the way to work, we sit at work, we sit at lunch, we sit all afternoon, a hodgepodge of sagging livers, sinking gall bladders, drooping stomachs, com pressed intestines, and squashed pelvic organs. John Button, Jr.

106. Horizontal Gaze Nystagmus In A Los Angeles Drunk Driving Case Demonstration showing how a DUI defense attorney can successfully make a jury question the testimony of a police officer on the subject of horizontal gaze http://www.drunkdriving-california.net/horizontal_gaze_nystagmus.html

Horizontal Gaze Nystagmus Cross-Examination in a DUI Case The "horizontal gaze nystagmus" test, is a relatively recent development in DUI investigation. The officer attempts to estimate the angle at which the eye begins to jerk ("nystagmus" is medical jargon for a distinctive eye oscillation); if this occurs sooner than 45 degrees, it theoretically indicates a blood-alcohol concentration over .05%. The smoothness of the eye's tracking the penlight (or finger or pencil) is also a factor, as is the type of jerking when the eye is as far to the side as it can go. This field sobriety test has proven to be subject to a number of different problems, not the least of which is the non-medically trained officer's ability to recognize nystagmus and estimate the angle of onset. Because of this and the fact that the test is not accepted by the medical community, it is not admissible as evidence in many states; it continues, however, to be widely used by law enforcement. The following cross-examination by a prominent California DUI attorney is an excellent example of how to deal with the nystagmus test in a drunk driving criminal case. It shows how a lawyer can successfully make a jury question the testimony of the police officer.

107. Nystagmus, Benign Paroxysmal Positional Benign Paroxysmal Positional nystagmus is a disorder of the vestibular system in the middle ear that causes dizziness due to altered function of the http://www.bchealthguide.org/kbase/nord/nord422.htm

var hwPrint=1;var hwDocHWID="nord422";var hwDocTitle="Nystagmus, Benign Paroxysmal Positional";var hwRank="1";var hwSectionHWID="nord422-Header";var hwSource="en-caQ2_05";var hwDocType="Nord"; National Organization for Rare Disorders, Inc. Nystagmus, Benign Paroxysmal Positional Important It is possible that the main title of the report Nystagmus, Benign Paroxysmal Positional is not the name you expected. Please check the synonyms listing to find the alternate name(s) and disorder subdivision(s) covered by this report. Synonyms BPPN Cupulolithiasis Labyrinthine Positional Nystagmus Paroxysmal Positional Nystagmus Disorder Subdivisions None General Discussion Benign Paroxysmal Positional Nystagmus is a disorder of the vestibular system in the middle ear that causes dizziness due to altered function of the semicircular canals, usually involving the posterior canal but sometimes involving the horizontal canal. The dizziness, which is accompanied by abnormal eye movements or nystagmus, occurs suddenly and without warning; thus, it is "paroxysmal". It is also "positional" because the symptoms increase with certain movements of the head or body. It is the position of the head, rather than the movement, that causes the symptoms. Resources Vestibular Disorders Association (VEDA) P.O. Box 4467

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