CHAPTER 16: EYE OPTICS

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11 Terms

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Cornea

Clear front surface; bends incoming light.


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Iris

Colored part; controls pupil size.


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Pupil

Opening that lets light enter.


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Lens

Focuses light onto the retina.


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Suspensory ligaments

Connect lens to ciliary body; control lens shape through tension.


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Retina

Light-sensitive inner layer containing rods and cones.


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Optic discs

Where optic nerve exits; blind spot because it has no photoreceptors.


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Fovea

Area of sharpest vision; densely packed with cones.



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