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There is a sympathetically-innervated muscle in the lower eyelid that functions as the analogue of the Müller muscle, the capsulopalpebral (inferior tarsal) muscle, which inserts on the lower border of the lower eyelid tarsus.
The eyelids are split into upper and lower portions, which meet at the medial and lateral canthi of the eye. The opening between the two eyelids is called the palpebral aperture or opening. In this article, we shall look at the anatomy of the eyelids – their layers, vasculature and innervation.
Your eyelids are the thin layer of skin that you can open and close over your eyes. They protect your eyes from outside dangers and keep them from drying out. Many conditions can affect them, and there are several things you can do to protect and maintain your eyelid health.
The upper and lower eyelids use skin, muscles, glands, nerves and other tissues to keep the eyes mobile, moist and lubricated. Reflexes close the eyelids quickly to prevent injuries. Eyelids cannot close quickly enough for every hazard, though.
Discover the intricate structure and functions of the lower eyelid, from its anatomy to its vital role in eye protection.
The eyelids are divided into superior and inferior portions, converging at the medial and lateral canthi (corners) of the eye. The eye has two palpebral fissures, horizontal and vertical, which stand for the normal exposed area between the superior and inferior eyelids.
In the lower eyelid, there are three fat pads: nasal, central, and temporal. Thin fibrous capsules surround the pads. The inferior oblique muscle runs in between the medial and central fat pad in the lower eyelid and is an important anatomical landmark during eyelid and orbital surgery. Tarsus
An eyelid is a fold of skin that closes over the eye to protect it. There are upper and lower eyelids. Many things can affect the eyelids or are related to the eyelid. These include: Bell’s Palsy; Black Eye; Blepharitis; Cellulitis; Chalazia and Styes; Coloboma; Conjunctivitis (Pink Eye) Dry Eye; Eye Allergies; Eyelid Spasm or Twitching ...
Eyelid Anatomy and Function. Lily Koo Lin, in Ocular Surface Disease: Cornea, Conjunctiva and Tear Film, 2013. Lower Lid Retractors. The lower eyelid retractors serve to depress the eyelid in downgaze, and maintain the upright position of the tarsal plate.
In this review, we present the clinical anatomy of the structures of the lower eyelid, as well as highlighting relevant surgical implications. Featured here are the structure of the different eyelid lamellae, the lower eyelid retractors and their relations, the orbital septum, fat pad compartments, and Lockwood ligament.