Eye Anatomy

The fluid-filled space inside the eye between the iris and the cornea.

The thin, watery fluid that fills the space between the cornea and the iris (anterior chamber).

The choroid lies between the retina and the sclera. Learn the full definition of the eye anatomy term choroid.

Learn the definition of ciliary body.

Mucous membrane that lines the eyelids and covers the front part of the eyeball.

The transparent, dome-shaped tissue covering the iris and the pupil.

A transparent lens that is suspended inside the eye immediately behind the iris which brings rays of light to a focus on the retina. The crystalline lens is the name given to the natural lens that humans are born with.

Learn the definition of eye.

Learn the definition of eyelid.

Intraocular pressure is the pressure inside the eye.

The iris is the colored part of the eye.

A small, sensitive area of the retina responsible for central vision. This region provides the most distinct vision in the retina and is only 1.5 mm in diameter.

Learn the definition of myelin.

Learn the definition of optic nerve.

Puncta are tiny openings along the eyelid margin through which tears drain.

Learn the definition of pupil.

The retina is the light sensitive layer of tissue in the back of the eye.

The sclera is the tough, usually white, outer layer of the eyeball.

Learn the definition of scotoma.