Where the image is formed. The light sensitive layer of the eye. Contains light sensitive receptor cells. Carries imulses to the optic nerve so they can be sent to the brain
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Pupil
The hole in the centre of the iris which allows light to enter
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Blind Spot
Where the optic nerve leaves the eye. Contains no light sensitive receptors
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Cornea
Clear part of the sclera which allows light through
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Lens
Bends/Refracts and changes shape to focus light onto retina
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Sclera
A protective tough white outer coating
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Optic Nerve
Carries impulses from the retina to the brain
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Iris
Muscles which contract to alter the size of the pupil and to control how much light enters the eye
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Choroid
A pigment layer which absorbs the light to stop it from reflecting. They also contain blood vessels
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Other cards in this set
Card 2
Front
The hole in the centre of the iris which allows light to enter
Back
Pupil
Card 3
Front
Where the optic nerve leaves the eye. Contains no light sensitive receptors
Back
Card 4
Front
Clear part of the sclera which allows light through
Back
Card 5
Front
Bends/Refracts and changes shape to focus light onto retina
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