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  2. Optic neuropathy - Wikipedia

    en.wikipedia.org/wiki/Optic_neuropathy

    Behr's syndrome is a rare autosomal recessive disorder characterized by early-onset optic atrophy, ataxia, and spasticity. Berk–Tabatznik syndrome is a condition that shows symptoms of short stature, congenital optic atrophy and brachytelephalangy. This condition is extremely rare.

  3. Behr syndrome - Wikipedia

    en.wikipedia.org/wiki/Behr_syndrome

    Behr syndrome is characterized by the association of early-onset optic atrophy with spinocerebellar degeneration resulting in ataxia, pyramidal signs, peripheral neuropathy and developmental delay. [1] [2] Although it is an autosomal recessive disorder, heterozygotes may still manifest much attenuated symptoms. [3]

  4. Toxic and nutritional optic neuropathy - Wikipedia

    en.wikipedia.org/wiki/Toxic_and_nutritional...

    There are several causes of toxic optic neuropathy. [1] Among these are: ingestion of methanol (wood alcohol), ethylene glycol (automotive antifreeze), disulfiram (used to treat chronic alcoholism), halogenated hydroquinolones (amebicidal medications), ethambutol and isoniazid (tuberculosis treatment), and antibiotics such as linezolid and chloramphenicol as well as chloroquine and the related ...

  5. Mitochondrial optic neuropathies - Wikipedia

    en.wikipedia.org/wiki/Mitochondrial_optic...

    Metabolic disorders may also cause this version of disease. Systemic problems such as diabetes mellitus, kidney failure, and thyroid disease can cause optic neuropathy, which is likely through buildup of toxic substances within the body. In most cases, the cause of the toxic neuropathy impairs the tissue's vascular supply or metabolism. It ...

  6. Neuromyelitis optica spectrum disorder - Wikipedia

    en.wikipedia.org/wiki/Neuromyelitis_optica...

    Neuromyelitis optica (NMO) is a particular disease within the NMOSD spectrum. It is characterised by optic neuritis and longitudinally extensive myelitis. In more than 80% of NMO cases, the cause is immunoglobulin G autoantibodies to aquaporin 4 , the most abundant water channel protein in the central nervous system. [5] [1] [4]

  7. Scientists Find Link Between Weight Loss Drugs and Blindness

    www.aol.com/scientists-between-weight-loss-drugs...

    Of those participants, seven developed a condition called non-arteritic ischemic anterior optic neuropathy (NAOIN, which is sudden vision loss due to lack of blood flow to the optic nerve, and is ...

  8. Visual pathway lesions - Wikipedia

    en.wikipedia.org/wiki/Visual_pathway_lesions

    Lesions involving the whole optic nerve cause complete blindness on the affected side, that means damage at the right optic nerve causes complete loss of vision in the right eye. [3] Optic neuritis involving external fibers of the optic nerve causes tunnel vision. [4] Optic neuritis involving internal fibers of the optic nerve causes central ...

  9. Non-arteritic anterior ischemic optic neuropathy - Wikipedia

    en.wikipedia.org/wiki/Non-arteritic_anterior...

    Non-arteritic anterior ischemic optic neuropathy (NAION) is a medical condition characterized by loss of vision caused by damage to the optic nerve as a result of ischemia, or insufficient blood supply. The key symptom of NAION is optic disc swelling, which typically resolves within 2 months, but often leads to optic atrophy. The likelihood of ...

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