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Ap Pysch > Vision > Flashcards

Vision Flashcards

1
Q

Cornea

A

Gives your eye shape; outer lens makes it sharp

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2
Q

Pupil

A

Lets light in, it dilates to let more or less light in

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3
Q

Iris

A

Color part of the eye; a muscle, opened and close the pupil

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4
Q

Lens

A

Add distance and dimension

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5
Q

Retina

A

Thin film in the back of the eye where transduction occurs

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6
Q

Transduction

A

Light messages turn into neural messages

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7
Q

Photoreceptors

A

Nerve cells in the retina that transduce images

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8
Q

What are the two types of photoreceptors?

A

Rods and cones

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9
Q

Rods

A

Tells us light and darkness

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10
Q

Cones

A

Tells us color; acknowledges three colors

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11
Q

What three colors do cones acknowledge?

A

Red, blue, and green

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12
Q

Information is sent from the retina to the ..?

A

Optic nerve

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13
Q

Optic nerve

A

Thickest nerve in the body. Sends images to thamals

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14
Q

Blind spots

A

Part of the eye where the optic nerve covers the retina. We don’t see anything.

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15
Q

Why don’t we notice the blind spots?

A

The brain and eye fill the spot

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16
Q

Fovea is the part of retina that is the …?

A

Sharpest.

17
Q

Fovea located

A

Center of your field vision

18
Q

The more we moved to the edges (peripheral) of your visual field the … things gets.

A

Blurrier

19
Q

Visual Acuity

A

Measurement to see how sharp your eye is

20
Q

The average person see what vision?

A

20/20

People can see 20 ft away
You see 20ft away

21
Q

How does color blindness occur?

A

When there is an issue with the cones

22
Q

What is the most common color blindness?

A

Red- see pink and grey

23
Q

What is also a common blindness too?

A

Green- see brown

24
Q

What is the key to vision?

A

Light waves

25
Q

How are light waves measured?

A

In amplitude

26
Q

Bigger wave = …?

A

Brighter light

Ap Pysch (3 decks)

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