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TermDefinition
Cornea The transparent of the front of the eye; covers both the iris and the pupil; also helps refract light.
Pupil A hole that controls the amount of light that enters the eye by adjusting in size.
Iris THe part of the eye that adjusts the size of the pupil; provides characteristic eye color.
Lens A transparent object that refracts light waves such that they converge or diverge to create an image.
Convex Lens A lens that is thicker in the middle than at the edges.
Retina Structure at the back of the eye upon which the lens form an image.
Optic Nerve Eye structure that transmits information about an image formed on the retina to the brain.
Electromagnetic Spectrum All of the frequencies or wavelengths of electromagnetic radiation.
Radio Waves Electromagnetic waves that have the longest wavelength, lowest frequency, and least amount of energy.
Microwaves
Infrared Light
Visible Light
Ultraviolet Light
X-Rays Electromagnetic waves with short wavelengths, high frequencies and high energy that can
Gamma Rays The shortest electromagnetic waves that have the highest frequencies and highest energy.
Created by: DiamondDollaBill