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Seeing Things?
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Seeing Things?


  I am in the process of being diagnosed w/ MS. I've already been told that I
  do have a mild case of Optic Neuritis, which became apparent about 1.5 yrs
  ago.
  Recently, I've noticed that, when I move my head, or keep my head still & just
  shift my eyes, I'll see things moving in my peripheral vision, which upon
  looking more closely, are not there. It usually appears to be a small black
  object, like a large ant or something, & is generally in the lower outside  
  corner of my eye, mostly the left side. It only lasts a split second.
  Does this sound like something that can happen w/ ON? I've looked through
  past posts to this board, & haven't seen anything mentioned about it by
  anyone else. It's not really a problem, & it doesn't happen constantly (maybe
  3 or 4 times a day), so I don't want to call my doctor just for that! It's
  just that I'm curious.
  Thanks!
=========================================================================
Thanks for your question.  Optic neuritis can be one of the initial
presentations of MS.  The visual field impariment most often associated
with optic neuritis is a so called "cecocentral scotoma", that is a
defect near or right at the center of your visual field.  Although it
is counter-intuitive, such a prominent "hole" sometimes is NOT noticed
by the patient because the nervous system has the ability to mask/masquarade
such defects.
The symptoms described in your message are more suggestive of a peripheral
visual field defect.  I would suggest the help of an ophtalmologist,
preferentially a neuro-ophtalmologist.  Furthermore, it might be very
useful to have a "visual field evaluation", an exam that maps the field
of vision in each one of your eyes.
I hope this information is helpful.
This information is provided for general medical education purposes only.
Please consult your doctor regarding diagnostic and treatment options.





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