A morbid condition in which the eye stands wide open, giving a peculiar staring appearance.

The inability or difficulty closing one's eye. This can be caused by Bell's Palsy, trauma, neurosurgery, bacterial infection, stroke, and cosmetic surgery. Common symptoms are severe dry eye and discomfort, corneal ulceration, decrease or loss of vision. See Dry Eye Treatment.

the inability to fully close the upper eyelid