Eye Muscle Anatomy

These muscles are named the superior rectus inferior rectus lateral rectus medial rectus superior oblique and inferior oblique. They act to control the movements of the eyeball and the superior eyelid.

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Eye muscle anatomy there are six extraocular muscles that move the globe eyeball.

Eye muscle anatomy. Part of the teachme series. Just behind the iris and pupil lies the lens which helps focus light on the back of your eye. The central artery supplies the retina while the central vein drains the retina.

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 function of the eye is sight and the nerve that enables sight is the optic nerve cn ii. The medical information on this site is provided as an information resource only and is.

Start now for free. 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 extraocular muscles are located within the orbit but are extrinsic and separate from the eyeball itself.

The main muscles of the eye are lateral rectus medial rectus superior rectus and inferior rectus. One muscle moves the eye to the right and one muscle moves the eye to the left. Most of the eye is filled with a clear gel called the vitreous.

The oculomotor nerve also innervates the intrinsic ocular muscles and thus regulates accommodation. The two oblique muscles of the eye are responsible for the rotation of the eye and assist the rectus muscles in their movements. Light projects through your pupil and.

Central artery and vein the central artery and vein runs through the center of the optic nerve. The other four muscles move the eye up down and at an angle.

Eye Muscle Anatomy Boston Children S Hospital