The Eye

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Cornea
refracts light as it enters the eye by a fixed amount
1 of 7
Iris
controls how much light enters pupil
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Pupil
allows light to pass through as it enters eye
3 of 7
Lens
refracts light to focus onto retina (amount adjusted by curvature/thickness)
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Ciliary muscles
adjust shape of lens
5 of 7
Suspensory ligaments
slacken/stretch ciliary muscles to adjust curvature/thickness of lens
6 of 7
Retina
contains light receptors that trigger electrical impulses to be sent to the brain
7 of 7

Other cards in this set

Card 2

Front

Iris

Back

controls how much light enters pupil

Card 3

Front

Pupil

Back

Preview of the front of card 3

Card 4

Front

Lens

Back

Preview of the front of card 4

Card 5

Front

Ciliary muscles

Back

Preview of the front of card 5
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