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  2. Oculogyric crisis - Wikipedia

    en.wikipedia.org/wiki/Oculogyric_crisis

    Oculogyric crisis (OGC) is a rare sudden, paroxysmal, dystonic reaction that may manifest in response to specific drugs, particularly neuroleptics, or medical conditions, such as movement disorders. This neurological phenomenon is characterized by a sustained dystonic, conjugate , involuntary upward deviation of both eyes lasting seconds to hours.

  3. Drug abuse retinopathy - Wikipedia

    en.wikipedia.org/wiki/Drug_abuse_retinopathy

    Drug abuse retinopathy is damage to the retina of the eyes caused by chronic drug abuse. Types of retinopathy caused by drug abuse include maculopathy, Saturday night retinopathy, and talc retinopathy. Common symptoms include temporary and permanent vision loss, blurred vision, and night blindness.

  4. Chloroquine retinopathy - Wikipedia

    en.wikipedia.org/wiki/Chloroquine_retinopathy

    Chloroquine retinopathy is a form of toxic retinopathy (damage of the retina) caused by the drugs chloroquine or hydroxychloroquine, which are sometimes used in the treatment of autoimmune disorders such as rheumatoid arthritis and systemic lupus erythematosus. This eye toxicity limits long-term use of the drugs. [3]

  5. Opsoclonus myoclonus syndrome - Wikipedia

    en.wikipedia.org/wiki/Opsoclonus_myoclonus_syndrome

    Opsoclonus myoclonus syndrome (OMS), also known as opsoclonus-myoclonus-ataxia (OMA), is a rare neurological disorder of unknown cause which appears to be the result of an autoimmune process involving the nervous system. It is an extremely rare condition, affecting as few as 1 in 10,000,000 people per year.

  6. Myoclonus - Wikipedia

    en.wikipedia.org/wiki/Myoclonus

    This type of myoclonus often is caused by brain damage that results from a lack of oxygen and blood flow to the brain when breathing or heartbeat is temporarily stopped. Over-excitement of the sensorimotor cortex (cortical reflex myoclonus) or reticular formation (reticular reflex myoclonus) is also a cause of action myoclonus.

  7. Opsoclonus - Wikipedia

    en.wikipedia.org/wiki/Opsoclonus

    Possible causes of opsoclonus include neuroblastoma and encephalitis in children, and breast, lung, or ovarian cancer in adults. Other considerations include GLUT1 Deficiency Syndrome , multiple sclerosis , toxins, medication effects (e.g. Serotonin Syndrome ), celiac disease , certain infections ( West Nile virus , Lyme disease ), non-Hodgkin ...

  8. Jeavons syndrome - Wikipedia

    en.wikipedia.org/wiki/Jeavons_Syndrome

    The seizures are brief (3–6 s), and occur mainly and immediately after closing of the eyes (eye closure) and consistently many times a day. All patients are photosensitive. Generalised tonic-clonic seizures , either induced by lights or spontaneous, are probably inevitable in the long term and are provoked particularly by precipitating ...

  9. Cyanopsia - Wikipedia

    en.wikipedia.org/wiki/Cyanopsia

    The primary causes include post-cataract surgery, certain medications, and, less commonly, neurological or ophthalmological conditions. Post-cataract surgery is a common cause, as replacing the natural lens with a synthetic one increases exposure to blue light, leading to temporary blue-tinted vision. This effect usually resolves as the eye adapts.