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optic neuritis

Visual Snow and Persistent Migraine Aura – tests and treatments

by James on 26 January 2010

In the last post we introduced two concepts – visual snow (VS) and persistent migraine aura (PMA).  The first is a specific symptom which can have a number of causes; the second a diagnosis which can include the first. First, persistent migraine aura (PMA) is diagnosed when other causes are ruled out.  But as we’ve [...]

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