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The Eyes

Parts of the eye

TermDefinition
Cornea the clear, dome-shaped tissue covering the front of the eye
iris the colored part of the eye; controls the amount of light that enters the eye by changing the size of the pupil
lens a crystalline structure located just behind the iris; focuses light onto the retina
optic nerve the nerve that transmits electrical impulses from the retina to the brain
pupil the oping in the center of the iris; changes size as the amount of light changes
retina sensory tissue that lies the back of the eye; contains millions of photoreceptors (rods and cones) that convert light rays into electrical impulses that are relayed to the brain via the optic nerve
vitreous (AKA the vitreous humor) a thick, transparent liquid that fills the center of the eye; mostly water and gives the eye its form and shaped
Created by: amb5683
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