提上睑肌位于上睑板与眼轮匝肌之间,收缩时将上睑提起,具开睑功用。该肌起始于眼眶尖端的秦(Zinn)氏环,在眼眶上壁与上直肌之间向前伸展,附着于睑板上缘,部分则穿过轮匝肌纤维;附着于睑板前面的皮肤,为第三 Levator muscle is located between the upper tarsal plate and the orbicularis muscle, contracting the upper eyelid, with open eyelid function. The muscle starts at the Zinn ring at the orbital tip and extends forward between the supraorbital wall and the upper rectus muscle, adheres to the upper edge of the tarsal plate and partially through the muscle fibers of the orbicularis muscle; adheres to the front of the tarsus Skin, for the third