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Diagram of the Eye

Click on an image to view.

  • Interactive diagram of the eye (1).
  • Small sample diagram of the eye (1).
  • Small sample diagram of the eye (2).
  • Small sample diagram of the eye (3).
  • Small sample diagram of the eye (4).


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Parts of the Eye
Vitreous Gel: A clear gel that fills the inside of the eye.
Optic Nerve: A bundle of more than one million nerve fibers that carries visual messages from the retina to the brain.
Macula: The small sensitive area of the retina that gives central vision. It is located in the center of the retina and contains the fovea.
Fovea: The center of the macula and gives the sharpest vision.
Retina: The light-sensitive tissue lining at the back of the eye. The retina converts light into electrical impulses that are sent to the brain through the optic nerve.
Iris: The colored part of the eye that regulates the amount of light entering the eye.
Lens: A clear part of the eye behind the iris that helps to focus light, or an image, on the retina.
Pupil: The opening at the center of the iris. The iris adjusts the size of the pupil and controls the amount of light that can enter the eye.
Cornea: The clear outer part of the eye's focusing system located at the front of the eye.
Iris: The colored part of the eye that regulates the amount of light entereing the eye.

Drag the magnifying glass to explore the eye diagram.
Click the targets to see definitions for parts of the eye.



Department of Health and Human Services NIH, the National Institutes of Health USA.gov