Eye Structures and functions

Controls the shape of the lens.

• Ciliary Body

• Extrinsic Eye Muscles

• Suspensory Ligaments

• Optic Nerve

• Iris

Assist in holding the lens in an upright position so its shaped can be controlled

• Ciliary Body

• Extrinsic Eye Muscles

• Suspensory Ligaments

• Optic Nerve

• Iris

Controls the size of the pupil

• Ciliary Body

• Extrinsic Eye Muscles

• Suspensory Ligaments

• Optic Nerve

• Iris

Lets light into the anterior surface of the eye

• Cornea

• Vitreous Humor

• Sclera

• Aqueous Humor

• Choroid

Protects and shapes the majority of the eyeball

• Cornea

• Vitreous Humor

• Sclera

• Aqueous Humor

• Choroid

Gives the cornea its bulging, round appearance

• Cornea

• Vitreous Humor

• Sclera

• Aqueous Humor

• Choroid

Allows light to bend into the eye from the outside environment

• Optic Nerve

• Fovea

• Lens

• Cornea

• Vitreous Humor

Tags

NGSS.MS-PS4-2

Delivers visual information from the retina to the visual centers in the occipital lobe

• Optic Nerve

• Fovea

• Lens

• Cornea

• Vitreous Humor

Bends incoming light dramatically so that it can be focused on the retina

• Optic Nerve

• Fovea

• Lens

• Cornea

• Vitreous Humor

Allows passage of light to the retina through posterior cavity because of its clear appearance

• Optic Nerve

• Fovea

• Lens

• Cornea

• Vitreous Humor