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  2. 20 innovative breakthroughs that will transform your health - AOL

    www.aol.com/finance/20-innovative-breakthroughs...

    The company partners with retailers like Zenni Optical, and while Eyebot’s machines can’t match an ophthalmologist when it comes to serious eye care, they can help address many cases of ...

  3. Zenni Optical - Wikipedia

    en.wikipedia.org/wiki/Zenni_Optical

    Zenni Optical mail order. Zenni Optical was founded in 2003 by Tibor Laczay and Julia Zhen. [1] [2] Before being renamed to Zenni Optical when it began offering $7 and $8 glasses, the company was named 19dollareyeglasses.com. [3] [4] [5] Around 2014, co-founder Zhen acquired the building occupied by the Marin Independent Journal to house Zenni. [6]

  4. Back pain - Wikipedia

    en.wikipedia.org/wiki/Back_pain

    Back pain is present in 29% of patients with systemic cancer. [19] Unlike other causes of back pain that commonly affect the lumbar spine, the thoracic spine is most commonly affected. [19] The pain can be associated with systemic symptoms such as weight loss, chills, fever, nausea and vomiting. [19] Unlike other causes of back pain, neoplasm ...

  5. Low back pain - Wikipedia

    en.wikipedia.org/wiki/Low_back_pain

    A problem with these muscles is often found in someone with chronic low back pain, because the back pain causes the person to use the back muscles improperly in trying to avoid the pain. [38] The problem with the multifidus muscles continues even after the pain goes away, and is probably an important reason why the pain comes back. [38]

  6. Cancer pain - Wikipedia

    en.wikipedia.org/wiki/Cancer_pain

    Though 80–90 percent of cancer pain can be eliminated or well controlled, nearly half of all people with cancer pain in the developed world and more than 80 percent of people with cancer worldwide receive less than optimal care. [28] Cancer changes over time, and pain management needs to reflect this.

  7. Causes of cancer pain - Wikipedia

    en.wikipedia.org/wiki/Causes_of_cancer_pain

    Between 40 and 80 percent of patients with cancer pain experience neuropathic pain. [1] Brain. Brain tissue itself contains no nociceptors; brain tumors cause pain by pressing on blood vessels or the membrane that encapsulates the brain (the meninges), or indirectly by causing a build-up of fluid that may compress pain-sensitive tissue. [7]

  8. Sciatica - Wikipedia

    en.wikipedia.org/wiki/Sciatica

    Sciatica is pain going down the leg from the lower back. [1] This pain may go down the back, outside, or front of the leg. [3] Onset is often sudden following activities such as heavy lifting, though gradual onset may also occur. [5] The pain is often described as shooting. [1] Typically, symptoms are only on one side of the body. [3]

  9. 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 ...