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The Eye
Basic Parts of the Eye and Their Functions
Term | Definition |
---|---|
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 |