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    Leber Hereditary Optic Neuropathy

    Important
    It is possible that the main title of the report Leber Hereditary Optic Neuropathy 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

    • Leber's optic atrophy
    • Leber's optic neuropathy
    • LHON

    Disorder Subdivisions

    • None

    General Discussion

    Leber hereditary optic neuropathy (LHON) is mainly characterized by bilateral, painless subacute loss of central vision during young adult life. In most cases, symptoms begin with one eye first, followed a few weeks later by visual failure in the other eye. Extremely rarely there may be neurologic abnormalities, such as peripheral neuropathy, postural tremor, nonspecific myopathy, and movement disorders. LHON is caused by mutations in mitochondrial DNA and it is transmitted by maternal inheritance. LHON affects approximately 1:50,000 people. Many carriers never suffer significant visual loss; males are about four to five times more likely than females to be affected.

    Resources

    Lighthouse International
    111 E 59th St
    New York, NY 10022-1202
    Tel: (800)829-0500
    Email: info@lighthouse.org
    Internet: http://www.lighthouse.org

    United Mitochondrial Disease Foundation
    8085 Saltsburg Road Suite 201
    Pittsburgh, PA 15239
    United States
    Tel: (412)793-8077
    Fax: (412)793-6477
    Tel: (888)317-8633
    Email: info@umdf.org
    Internet: http://www.umdf.org

    National Association for Parents of Children with Visual Impairments (NAPVI)
    P.O. Box 317
    Watertown, MA 02272-0317
    Tel: (617)972-7441
    Fax: (617)972-7444
    Tel: (800)562-6265
    Email: napvi@perkins.org
    Internet: http://www.napvi.org

    National Federation of the Blind
    200 East Wells Street
    at Jernigan Place
    Baltimore, MD 21230
    USA
    Tel: (410)659-9314
    Fax: (410)685-5653
    Email: nfb@nfb.org
    Internet: http://www.nfb.org

    American Foundation for the Blind
    2 Penn Plaza
    Suite 1102
    New York, NY 10121
    Tel: (212)502-7600
    Fax: (888)545-8331
    Tel: (800)232-5463
    TDD: (212)502-7662
    Email: afbinfo@afb.net
    Internet: http://www.afb.org

    American Council of the Blind
    2200 Wilson Boulevard
    Suite 650
    Arlington, VA 22201
    Tel: (202)467-5081
    Fax: (202)465-5085
    Tel: (800)424-8666
    Email: mailman@acb.org
    Internet: http://www.acb.org/

    Guiding Eyes for the Blind, Inc.
    611 Granite Springs Road
    Yorktown Heights, NY 10598
    Tel: (914)245-4024
    Fax: (914)245-1609
    Tel: (800)942-0149
    Email: webmaster@guidingeyes.org
    Internet: http://www.guidingeyes.org

    NIH/National Eye Institute
    31 Center Dr
    MSC 2510
    Bethesda, MD 20892-2510
    United States
    Tel: (301)496-5248
    Fax: (301)402-1065
    Email: 2020@nei.nih.gov
    Internet: http://www.nei.nih.gov/

    Blind Children's Center
    4120 Marathon Street
    Los Angeles, CA 90029-3584
    USA
    Tel: (323)664-2153
    Fax: (323)665-3828
    Tel: (800)222-3566
    Email: info@blindchildrenscenter.org
    Internet: http://www.blindchildrenscenter.org

    International Foundation for Optic Nerve Disease (IFOND)
    PO Box 777
    Cornwall, NY 12518
    USA
    Tel: (845)534-7250
    Fax: (845)534-7250
    Email: ifond@aol.com
    Internet: http://www.ifond.org/

    MD Support - The Eyes of the Macular Degeneration Community
    3600 Blue Ridge Blvd
    Grandview, MO 64030
    USA
    Tel: (816)761-7080
    Fax: (816)761-7080
    Email: director@mdsupport.org
    Internet: http://www.mdsupport.org

    Genetic and Rare Diseases (GARD) Information Center
    PO Box 8126
    Gaithersburg, MD 20898-8126
    Tel: (301)251-4925
    Fax: (301)251-4911
    Tel: (888)205-2311
    TDD: (888)205-3223
    Internet: http://rarediseases.info.nih.gov/GARD/

    MitoAction
    14 Pembroke Street
    Medford, MA 02155
    Tel: (888)648-6228
    Fax: (888)648-6228
    Email: info@mitoaction.org
    Internet: http://www.MitoAction.org

    National Ophthalmic Genotyping and Phenotyping (eyeGENE®)
    National Institutes of Health/National Eye Institute
    10 Center Drive, Room 10N226
    Bethesda, MD 20892-1860
    Tel: (301)435-3032
    Fax: (301)480-3787
    Email: eyegeneinfo@nei.nih.gov
    Internet: http://www.nei.nih.gov/resources/eyegene.asp

    For a Complete Report:

    This is an abstract of a report from the National Organization for Rare Disorders (NORD). A copy of the complete report can be downloaded free from the NORD website for registered users. The complete report contains additional information including symptoms, causes, affected population, related disorders, standard and investigational therapies (if available), and references from medical literature. For a full-text version of this topic, go to www.rarediseases.org and click on Rare Disease Database under "Rare Disease Information".

    The information provided in this report is not intended for diagnostic purposes. It is provided for informational purposes only. NORD recommends that affected individuals seek the advice or counsel of their own personal physicians.

    It is possible that the title of this topic is not the name you selected. Please check the Synonyms listing to find the alternate name(s) and Disorder Subdivision(s) covered by this report

    This disease entry is based upon medical information available through the date at the end of the topic. Since NORD's resources are limited, it is not possible to keep every entry in the Rare Disease Database completely current and accurate. Please check with the agencies listed in the Resources section for the most current information about this disorder.

    For additional information and assistance about rare disorders, please contact the National Organization for Rare Disorders at P.O. Box 1968, Danbury, CT 06813-1968; phone (203) 744-0100; web site www.rarediseases.org or email orphan@rarediseases.org

    Last Updated: 1/15/2013
    Copyright 1988, 1989, 1994, 1995, 1997, 2005, 2013 National Organization for Rare Disorders, Inc.

    WebMD Medical Reference from the National Organization for Rare Disorders

    Last Updated: May 28, 2015
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.

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