If the lower lids are hanging down this is called haws.
If the third eyelid is raised up over the eye this could be an indication of illness or an eye infection or injury.
If there is a red bump in the corner of the eye this might be cherry eye which you can read about here
www.marvistavet.com/html/cherry_eye.html
If this is new I'd rinse the eyes with sterile saline (such as contact lens wearers use) and see how they are in the morning then consider seeing the vet if they are the same or worse.
Hope this helps you!
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