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30 Cards in this Set

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Aqueous humor
A clear fluid that helps the cornea keep its rounded shape.
Cornea
A clear, tough covering over the iris and the pupil that helps protect the eye and begins focusing the light.
Fovea
A dimple in the retina where cones are concentrated and vision is most acute.
Iris
A muscle that controls the amount of light that enters the eye. It is suspended between the cornea and the lens.
Lens
A clear, flexible structure that adjusts the eye's focus, allowing us to see objects both near and far. It is responsible for about 20 percent of our focusing.
Optic nerve
The bundle of nerve fibers that carry information from the retina to the brain.
Retina
The layer of light-sensitive cells lining the inner eyeball. It detects images focused on the back of the eye by the lens and the cornea. The retina is connected to the brain by the optic nerve.
Rods
A pigment that reacts to greyscale
Sclera
The thick, tough, white outer covering of the eyeball.
Vitreous humor
The thick, clear jelly that helps give the eyeball its shape.
Pupil
It is actually a hole that allows light to enter the eye.
Cones
Censors that react to small amounts of color. There are three different types of cones. Red, Green, and blue.
Farsighted
When a person can see distant objects clearly but not nearby objects
Farsighted= convex lens
Nearsighted
When a person can see nearby things clearly but distant objects appear blurry. Nearsighted= Concave
Cornea
The blue highlighted part
Aqueous Humor
The blue highlited part
Iris
The blue highlited part
Aqueous Humor
The blue highlighted part
Choroid Coat
The blue highlighted part
The Cornea
The blue highlighted part
The Fovea
The blue highlighted part
The Iris
The blue highlighted part
The Lens
The blue highlighted part
The Optic Nerve
The blue highlighted part
The Retina
The blue highlighted part
The Sclera
The blue highlighted part
The Vitreous Humor
The blue highlighted part
Cataracts
A cataract is a clouding of the natural lens, the part of the eye responsible for focusing light and producing clear, sharp images.
the eye getting cut in half.
What is this
The lens
What is that?