Eye Parts and Functions

A clear dome that sits in front of the colored part of the eye and focuses light as it passes through the eye.

• cone
• cornea
• retina

The colorful part of the eye that controls the amount of light that enters the eye.

• lens
• rods
• iris

An opening in the iris that allows light into the eye.

• cones
• pupil
• optic nerve

This focuses the light onto the back of the eye.

• lens
• cornea
• iris

Back wall of the eye that changes light the eye receives and changes it into nerve signals

• lens
• cones
• retina

Black and white detecting nerve cells.

• cones
• rods
• optic nerve

Color detecting nerve cells.

• cones
• rods
• cornea

A jelly like material located behind the lens that gives the eye its roundish shape.

• cornea
• iris
• vitreous humor

Carries the nerve signals from the eye to the brain

• cones
• optic nerve
• pupil

The white part of the eye that covers and protects the eyeball.

• iris
• sclera
• lens