Eyeball Muscles Diagram

The superior oblique muscle rotates the eye medially and abducts it when the eye if facing forward while the inferior oblique rotates the eye laterally and adducts it. They work to control the movements of the eyeball including the superior eyelid.

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Responsible for superior eyelid movement Recti and oblique muscles.

Eyeball muscles diagram. If you observe the Eye Ball Diagram above the eyeball is a bilateral and spherical organ which houses the structures responsible for vision. Extrinsic Eye Muscles and their Nerve Supply. Intrinsic ocular muscles which are within the eyeball itself and control how the eyes accommodate Six extraocular muscles move the eye.

Six extraocular muscles in the orbit are attached to the eye. Superior rectus inferior rectus medial rectus lateral rectus superior oblique and inferior oblique muscles. The two oblique muscles of the eye are responsible for the rotation of the eye and assist the rectus muscles in their movements.

Responsible for eye movement. The four recti muscles are the lateral rectus the medial rectus the inferior rectus and the superior rectus while the two oblique muscles are the inferior oblique and the superior oblique. Click below to download our free unlabeled diagram of the eye.

It lies in a bony cavity within the facial skeleton known as the bony orbit. Start studying eye muscles. Clinical test used to examine the occulomotor system extraocular muscles Cardinal planes of gaze Pupillary muscle that control the amount of light entering the eye by changing the diameter of the pupil.

Here you can see all of the main structures in this area. The central artery and vein runs through the center of the optic nerve. The basic function of these muscles is to provide different tensions and torques that further control the movement of the eye.

The sclera is itself covered anteriorly by the conjunctiva a transparent mucous membrane that prevents the eye from drying out. Central Artery and Vein. The eye is cushioned within the orbit by pads of fat.

- using the eye diagram blank below. The extraocular muscles are attached to the white part of the eye called the sclera. Anatomically the eyeball can be divided into three parts the fibrous vascular and inner layersIn this article we shall consider the anatomy of the eyeball in detail and its clinical correlations.

Muscles of the eye are very strong and efficient they work together to move the eyeball in many different directions. The wall of the eyeball is made up of three layers fibrous outer vascularmuscular middle and sensorineural inner layers. It includes the medial rectus lateral rectus superior rectus inferior rectus inferior oblique and superior oblique.

The orbit is formed by the cheekbone the forehead the temple and the side of the nose. They can be divided into two groups. In this post well talk about each of the six muscles and discover their function and purpose in the human eye.

There are six muscles involved in the control of the eyeball itself. In addition to the eyeball itself the orbit contains the muscles that move the eye blood vessels and nerves. The eyeball is a bilateral and spherical organ which houses the structures responsible for vision.

Unlabeled diagram of the eye. The orbit is the bony eye socket of the skull. There are seven extraocular muscles-Levator palpebrae superioris.

An eye also consists of six muscles. The extraocular muscles are the six muscles that control movement of the eye and one muscle that controls eyelid elevation levator palpebraeThe actions of the six muscles responsible for eye movement depend on the position of the eye at the time of muscle contraction. The medial and lateral rectus muscles allow the eye to move from side to side while staying level.

The main muscles of the eye are Lateral rectus Medial rectus Superior rectus and inferior rectus. The extraocular muscles are placed in the orbit but are extrinsic and separate from the eyeball itself. To help you understand the structure and anatomy of the external eye and its functions explore and study the Eye Ball Diagram in the following images below.

When the eye is adducted or turned toward the nose the superior oblique depresses the eye while the inferior oblique elevates the eye. And one other levator palpebrae superioris opens the eyelid. Spend some time reviewing the name and location of each one then try to label the eye yourself - without peeking.

Learn vocabulary terms and more with flashcards games and other study tools. These muscles are median rectus lateral rectus superior rectus inferior rectus superior oblique and inferior oblique. There are six extrinsic muscles attached to the eyeball.

The outer fibrous layer maintains the shape of the eyeball and protects more fragile internal structure. This layer is made up of the sclera and cornea. The muscles of the eyes perform several specialized functions.

This is a strong layer of tissue that covers nearly the entire surface of the eyeball. Take a look at the diagram of the eyeball above. The sclera the tough protective outer shell of the eyeball is composed of dense fibrous tissue that covers four-fifths of the eyeball and provides attachments for the muscles that move the eye.

The four recti muscles and the two oblique muscles. The first set is the superior and inferior rectus muscles which allow upward and downward motion. Four of these muscles are straight and two are oblique.

These muscles move the eye up and down and side to side and rotate the eye. Diagram of the different layers of the eyeball.

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