Nervous System--Structure Of The Eye Flashcards

Know the structure of the eye.

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1
Q

Sclera

A

White part

Covers and protects eyeball

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2
Q

Pupil

A

Hole

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3
Q

Iris

A

Like camera 📸 Aperture. Must be dark enough to not reflect all the light incident on the eye

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4
Q

Cornea

A

Thin, transparent covering of eyeball.
Chief refracting
/Focusing of the eye
2/3 of the optical power of EYE is in the Cornea and 1/3 is in Lens.

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5
Q

Lens

A

Regulates Focus for near/far

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6
Q

Fovea

A

Part of the retina corresponding to central part of visual field

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7
Q

Optic disc

A

Part of the retina corresponding to blindspot

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8
Q

Optic nerve

A

Ganglion cell axons that exit through the optic disc.

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9
Q

Anterior chamber/Aqueous humor

A

Fluid filled region in front of lens

Nourished and cushions lens & cornea

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10
Q

Posterior chamber/ vitreous humor

A

Fluid(jelly-like) filled region behind lens, transmits light

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