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