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5 Cards in this Set
- Front
- Back
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Pupils |
Round holes in the centre of the iris of the eye. It can change size in response to changes in light levels |
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Cornea |
Outer transparent layer of the eye that refracts light entering the eyeless |
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Lens |
Further converges light rays (which have already been refracted by the cornea) to focus them on the retina |
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Retina |
Tissue at the back of the eye that contains light receptors |
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Ciliary muscles |
Muscles that relax on contract to change the shape of the lens |
