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Weis Rings?

What exactly are Weis Rings?
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711220 tn?1251891127
MEDICAL PROFESSIONAL
It is the back surface of the vitreous that is attached at the optic nerve.  When the vitreous detaches, this looks like a ring.

Dr. O.
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Avatar universal
Hmm, I think maybe I have one of these among my new floaters.  The dominant new floater in my left eye's visual field is ring shaped and is seen at 9:00 O'clock and about 45 degrees off the optic axis.  That corresponds to a position in the eye directly anterior to the "blind spot", where the optic nerve exits.  The ring flops around a lot but the overall position has been pretty stable since it showed up a few days ago.   Is this typical for a Weiss ring?  If a  Weiss ring shows up in the right eye, would it typically be seen at 3:00 O'Clock in that visual field?
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711220 tn?1251891127
MEDICAL PROFESSIONAL
Yes,  and Yes,

Ray
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