Definitions for "Eyelids"
Structures covering the front of the eye, which protect it, limit the amount of light entering the pupil, and distribute tear film over the exposed corneal surface.
An upper and lower fold of skin that provides protection from foreign particles, injury from the sun and intense light, and trauma. Both the upper and lower edges of the eyelids have small hairs or cilia. In addition, sebaceous or oil glands are located in the eyelids. These secrete a lubricating oil.
moveable folds of skin that protect the surface of the eyeballs