Palpebral fissure

A) The angle where the eyelids join
B) The space between the two eyelids
C) Another name for the eyelids
D) The membrane that covers the inner surface of the eyelids
E) The membrane that covers the anterior sclera of the eye

Palpebral Fissure

The elliptical open space between the eyelids of an open eye.

Eyelids

Fleshy covers that protect the eye and spread tears over it to keep it moist, opening and closing for blinking and sleeping.

Inner Surface

The inner surface refers to the internal side or lining of an organ or structure within the body.