Eye Flashcards

1
Q

What is the Superior Rectus?

A

Small muscles that swivel the eye to look up.

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2
Q

What are the Suspensory ligaments?

A

Hold lens with rings of cilliary muscles.

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3
Q

What is the Posterior Chamber?

A

Fluid filled cavity behind the iris.

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4
Q

What is the Iris?

A

Ring of muscle that changes size of pupil to regulate the amount of light entering the eye.

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5
Q

What is the Anterior Chamber?

A

Between cornea and iris, filled with aqueous humor fluid secreted by cilliary epithelium.

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6
Q

What is the Pupil?

A

Hole in iris that becomes wider in dim light.

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7
Q

What is the Scleral Venous Sinus?

A

A canal that aqueous humor fluid drains into.

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8
Q

What is the cornea?

A

The transparent layer covering the eye.

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9
Q

What is the Capsule of Lens?

A

A membrane enclosing the lens.

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10
Q

What is the Cilliary body?

A

Secreted aqueous humor fluid.

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11
Q

What is the lens?

A

Focused light onto the retina.

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12
Q

What is the Sclera?

A

A fibrous outer layer of eyeball.

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13
Q

What is the Choroid?

A

Lines the Sclera and forms the cilliary body and iris. Supplies blood and oxygen to the retina.

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14
Q

What is the optic disk?

A

Where the optic nerve joins the retina.

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15
Q

What is the optic nerve?

A

The optic nerve transports information from rods and cones of the retina to the brain.

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16
Q

What is the Retina?

A

Contains photoreceptors that react to light.

17
Q

What is the Fovea?

A

Shallow depression in the retina where light is most accurately focused.

18
Q

What is the conjunctiva?

A

The mucous membrane covering the eyeball.

19
Q

What is the Vitreous Body?

A

The largest chamber of the eye.

20
Q

What are Zonular Fibres?

A

The Suspensory ligaments of the lens.

21
Q

What are the function of the eye’s sphincter muscles?

A

To change the size of the pupil due to changes in amount of light.