In the corner of the eye near the nose, there is normally a third eyelid.
It often protrudes if an animal is not feeling well.  If it is in the
other corner, please send pictures.
 
-Dr. Karen
 
DISCLAIMER:
This e-mail is provided for general informational purposes only.  It is
in no way intended as a replacement for a consultation with a qualified
licensed veterinarian.  If you are concerned about your pet's health, you
should seek the advice of your regular veterinarian as soon as possible.
[Posted in FML issue 3500]