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Health Science 1 > Test 9 Special Senses Test Review (The Eye) > Flashcards

Test 9 Special Senses Test Review (The Eye) Flashcards

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1
Q

What is the outer most layer of the eye called

A

The sclera

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2
Q

What does the sclera look like/ what is a characteristic it has

A

It is white looking

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3
Q

What is the middle layer of the eye called

A

The choroid

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4
Q

What is a characteristic of the choroid/ what’s in it

A

It contains many blood vessels

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5
Q

What is the innermost layer of the eye

A

The Retina

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5
Q

What are the two specialized cells called inside the retina

A

Rods and Cones

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5
Q

What is a characteristic of the Retina/ what does it do

A

It contains the specialized cells

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6
Q

What do the rods and cones do?

A

Rods control darkness and dimness
Cones control color and brightness

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7
Q

What is the correct order of the pathway of light

A
  1. Cornea
  2. Aqueous Humor
  3. Pupil
  4. Lens
  5. Vitreous Humor
  6. Retina
  7. Optic nerve
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8
Q

What is Myopia

A

Near cited-ness

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9
Q

What (scientifically) is going on when an eye has myopia (near cited-ness)

A
  • The eye is more wide
  • Light focuses INFRONT of the eye/ Retina
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9
Q

What is Hyperopia

A

Far cited-ness

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10
Q

What (scientifically) is going on when an eye has Hyperopia (Far cited-ness)

A
  • The eye is more thin
  • Light focuses behind the retina
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11
Q

What is presbyopia

A

As people age, their eyes get to thin (Hyperopia kind of)

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12
Q

What is Strabismus

A

When the eyes move outline

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12
Q

What is cataracts and what is the cure

A

When the lens become cloudy and only surgery fixes it

13
Q

What is Glaucoma

A

When the ocular pressure is increased

14
Q

What are the two types of Strabismus

A
  • Esrotropia: When the eye move inwards
  • Exotropia: When the eye moves outwards
15
Q

What is the clear protective layer of the eye that covers the iris and the pupil

A

The cornea

16
Q

What is the chamber filled with fluid found just behind the cornea

A

Aqueous Humor

17
Q

What is the opening of the interior of the eye that regulates the amount of light that enters the eye

A

The pupil

18
Q

What is the colored part of the eye called

A

The Iris

19
Q

What is the middle layer of the eye that is rich in blood cells

A

The Choroid

19
Q

What is the convex, crystalline structure that focuses light on the retina

A

The lens

19
Q

What is the light sensitive layer of the eye that contains photoreceptors that convert light energy into nerve impulses

A

The retina

19
Q

What is the Outer layer of the eye that maintains its shape. It’s the point of attachment for muscles that move the eye

A

Sclera

20
Q

What carries the visual info in the form of action potentials from the retina to the thalamus

A

The optic nerve

20
Q

What is the large chamber behind the lens that’s filled with jelly like fluid

A

The Vitreous Humor

Health Science 1 (20 decks)

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