To Kate Pappas and EM -
 
        The outer whitish blue stripe that you see at the edge is known as the
limbus and is a normal structure in the ferret eye.  It is at the junction of
the cornea and the sclera.  At least that's what I think you are describing, but
it's tough to be sure without seeing it...
 
Bruce Williams, DVM
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[Posted in FML issue 0678]