14 terms

Eye Anatomy

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Optic Nerve
paired nerve that transmits visual information from the retina to the brain.
Sclera
white of the eye, is the opaque, fibrous, protective, outer layer of the eye
Choroid
vascular layer of the eye, containing connective tissue
Retina
third and inner coat of the eye which is a light-sensitive layer of tissue.
Lens
changes the focal distance of the eye to create clear images
Iris
thin, circular, colorful structure in the eye; iris contracts and dilates involuntarily and changes the size of the pupil
Pupil
responsible for amount of light that enters eye
Cornea
transparent front part of the eye that covers the iris, pupil, and anterior chamber.
Anterior Chamber
fluid-filled space inside the eye between the iris and the cornea's innermost surface, and is filled with aqueous humor.
Vitreous Humor
clear gel that fills the space between the lens and the retina of the eyeball of humans and other vertebrates.
Ciliary body and muscle
Body: controls the shape of the lens, and the ciliary epithelium, which produces the aqueous humor. Muscle: controls accommodation for viewing objects
Optic Disc
point of exit for ganglion cell axons leaving the eye
Blood Vessels
carrying blood through the different eye structures
Posterior Chamber
narrow space behind the peripheral part of the iris