the eye

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11 Terms

1
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define suspensory ligaments

adjust shape of the lens

2
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define iris

controls amount of light enters the eye (controlling size of the pupil)

3
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define cornea

refracts light when it enters the eye

4
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define pupil

allows light into the eye

5
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define lens

refract light into the retina

6
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define ciliary muscle

change shape of lens

7
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define sclera

projects eye and maintain shape

8
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define retina

back of eye that contains rods and cones to detect light

9
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define optic nerve

carries electrical impulses to the brain.

10
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what happens to the eye when its looking at something bright

circular muscle contract

radial muscle narrows

pupil gets smaller

11
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what happens to eye when looking at a dark room

radial muscle widen

circular muscle contract

pupil expand.