Diseases & Conditions


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Ocular Motor Apraxia, Cogan Type


Synonyms of Ocular Motor Apraxia, Cogan Type
  • COMA
  • Congenital Oculomotor Apraxia
  • oculomotor apraxia, Cogan type
  • saccade initiation failure, congenital

Disorder Subdivisions



    General Discussion
    Cogan type ocular motor apraxia is a rare inherited eye disorder that is present at birth (congenital). The disorder is characterized by a defect in side-to-side (horizontal) eye movements, both voluntary and responsive. When affected infants rotate their heads to the side to look at an object, their eyes will lag and then move in the opposite direction. In order to compensate for this, the infants will sharply jerk their heads past the desired object in an effort to bring the eyes to a position where they can view the object. The disorder can also be associated with mild developmental delay and speech difficulties. Symptoms of this disorder usually improve throughout the first and second decades of life. Cogan type ocular motor apraxia is a genetic condition for which the inheritance pattern has not been well established. It is not clear if it is inherited as an autosomal recessive genetic trait or an autosomal dominant genetic trait.

    Organizations related to Ocular Motor Apraxia, Cogan Type
    • MUMS (Mothers United for Moral Support, Inc) National Parent-to-Parent Network
      150 Custer Court
      Green Bay WI 54301-1243
      Phone #: 920-336-5333
      800 #: 877-336-5333
      e-mail: mums@netnet.net
      Home page: http://www.netnet.net/mums/
    • NIH/National Eye Institute
      Building 31 Rm 6A32
      Bethesda MD 20892-2510
      Phone #: 301-496-5248
      800 #: --
      e-mail: 2020@nei.nih.gov
      Home page: http://www.nei.nih.gov/
    • National Eye Research Foundation
      910 Skokie Boulevard
      Northbrook IL 60062
      Phone #: 847-564-4652
      800 #: 800-621-2258
      e-mail: nerf1955@aol.com
      Home page: http://www.nerf.org



    For a Complete Report

    This is an abstract of a report from the National Organization for Rare Disorders, Inc. ? (NORD). A copy of the complete report can be obtained for a small fee by visiting the NORD website. The complete report contains additional information including symptoms, causes, affected population, related disorders, standard and investigational treatments (if available), and references from medical literature. For a full-text version of this topic, see http://www.rarediseases.org/search/rdblist.html