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The Eye

Basic Parts of the Eye and Their Functions

TermDefinition
Eye The function is too see things in the outside environment
Lens The function is too change the focal distance of the eye
Pupil The function is to control and regulate the amount of light let into the eye, it get smaller when there is more light and larger when there is less.
Iris The function is to control the amount of light let into the eye
Cornea The function is too control and focus the entry of light into the eye
Retina The function is to receive light that the lens has focused, convert the light into neural signals, and send these signals onto the brain for visual recognition
Optic Nerve Transfer visual information from the retina to the vision center of the brain
Aqueous Humor The function is to help the eye keep it's shape which helps in overall eye health, fills the anterior and posterior chamber
Vitreous Humor A fluid-like gel that fills the space behind the lens and in front of the retina, it helps keep overall eye health
Rod Cells 120 million of them-Photoreceptor cells in the retina of the eye that can function in less intense light.
Cone Cells 6-7 million of them-They function best in brighter light and are able to detect color, unlike rods
Created by: Sft