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18 Cards in this Set
- Front
- Back
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Cornea |
Focuses the eye |
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Aqueous humor |
Focus light rays Keeps shape of front part of eye |
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Iris |
Controls the amount of light entering the pupil |
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Pupil |
Allows light to enter |
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Lens |
Focus image onto the retina |
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Vitreous humour |
Maintains shape of eye |
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Retina |
Rods-sensitive to dim light Cones-colour vision blue green red |
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Tapetum |
In some animals it helps improve night vision |
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Blind spot |
This is where there is NO image |
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Optic nerve |
Takes message to the brain |
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Brain |
Decodes image- flips it to upright |
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The order of the eye |
Cornea Aqueous humour Iris/pupil Lens Vitreous humour Retina (Tapetum) (Blind spot) Optic nerve Brain |
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Myopia corrective thing |
Concave lens |
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Hyperopia corrective |
Convex lens |
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Astigmatism |
Cornea has an irregular curvature |
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Presbyopia |
Can't focus on close or far away objects |
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Rods |
120 Sensitive to light Detect dim light |
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Cones |
6 million Sensitive to color Detect bright light and allows us to see color and detail during the day |
