Eye Anatomy
Glossary of terms related to eye anatomy.
Intraocular Pressure
Intraocular pressure is the pressure inside the eye.
Intraocular pressure is the pressure inside the eye.
Choroid
The choroid lies between the retina and the sclera. Learn the full definition of the eye anatomy term choroid.
The choroid lies between the retina and the sclera. Learn the full definition of the eye anatomy term choroid.
Sclera
The sclera is the tough, usually white, outer layer of the eyeball.
The sclera is the tough, usually white, outer layer of the eyeball.
Puncta
Puncta are tiny openings along the eyelid margin through which tears drain.
Puncta are tiny openings along the eyelid margin through which tears drain.
Retina
The retina is the light sensitive layer of tissue in the back of the eye.
The retina is the light sensitive layer of tissue in the back of the eye.
Iris
The iris is the colored part of the eye.
The iris is the colored part of the eye.
Conjunctiva
Mucous membrane that lines the eyelids and covers the front part of the eyeball.
Mucous membrane that lines the eyelids and covers the front part of the eyeball.
Cornea
The transparent, dome-shaped tissue covering the iris and the pupil.
The transparent, dome-shaped tissue covering the iris and the pupil.
Crystalline lens
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.
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.
Macula
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.
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.
Aqueous humor
The thin, watery fluid that fills the space between the cornea and the iris (anterior chamber).
The thin, watery fluid that fills the space between the cornea and the iris (anterior chamber).
Anterior chamber
The fluid-filled space inside the eye between the iris and the cornea.
The fluid-filled space inside the eye between the iris and the cornea.