Eyebrows
The eyebrows are located superior to the eyes and superficial to the superciliary ridges of the frontal bones. They contain coarse,short hairs running tansversely and they also contain sebaceous glands that secrete oil. The eyebrows protect the eyes by shading them and by stopping perspiration and objects from contacting them from above.
eyelids and eyelashes
The eyelids, or palpebrae (pal-peh-bree), extend from the. superior and inferior edges of the orbits. The space between the upper and lower eyelids is the palpebral fissure. The eyelids meet at the medial and lateral angles of the orbit called the canthi. The medial canthus contains a reddish elevation called the caruncle (kar-ung-kul) which is the remnant of a third eyelid. The caruncle possesses sebaceous and sudoriferous (sweat) glands that secrete a white substance that sometimes accumulates at the medial canthus.