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Eye Vocab!

Scientific Literacy Words for the Eye

Transparent front surface that protects the eye. Also acts as a lens to help focus light rays Cornea
An opening through which light enters the inside of the eye. Enlarges and shrinks to let in different amounts of light. Pupil
A ring of muscle that contracts and expands to change the size of the pupil. Iris
A layer of cells that lines the inside of the eyeball. Made up of tiny, light-sensitive cells called Rods and Cones. Retina
Cells that contain a pigment that responds to small amounts of light. Allow you to see in dim light. Rods
Cells that respond to color, detects red, green, and blue light. Cones
Can see nearby things clearly, but objects at a distance are blurred. (Eyeball is to long) Nearsighted
Can see distant objects clearly, but nearby objects appear blurry. (Eyeball is to short) Farsighted
Created by: Mr_Baer