Eye Muscle Anatomy

The medical information on this site is provided as an information resource only and is. One muscle moves the eye to the right and one muscle moves the eye to the left.

Which Cheek Nose And Outer Eye Muscles Are Involved In

The extraocular muscles are located within the orbit but are extrinsic and separate from the eyeball itself.

Eye muscle anatomy. These muscles are named the superior rectus inferior rectus lateral rectus medial rectus superior oblique and inferior oblique. Eye muscle anatomy there are six extraocular muscles that move the globe eyeball. The central artery supplies the retina while the central vein drains the retina.

The oculomotor nerve also innervates the intrinsic ocular muscles and thus regulates accommodation. Light projects through your pupil and. Part of the teachme series.

They act to control the movements of the eyeball and the superior eyelid. The other four muscles move the eye up down and at an angle. Nerves that innervate the extraocular muscles are called bulbomotors and they are the oculomotor cn iii trochlear cn iv and abducens cn vi nerves.

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. The main muscles of the eye are lateral rectus medial rectus superior rectus and inferior rectus. Start now for free.

The main function of the eye is sight and the nerve that enables sight is the optic nerve cn ii. Just behind the iris and pupil lies the lens which helps focus light on the back of your eye. Central artery and vein the central artery and vein runs through the center of the optic nerve.

Most of the eye is filled with a clear gel called the vitreous. The two oblique muscles of the eye are responsible for the rotation of the eye and assist the rectus muscles in their movements.

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