Parts Of Vision

Question 1

Pupil

Answer 1

Hole in the colored part of an eye

Question 2

Iris

Answer 2

Muscle that controls the size of the pupil and the amount of light

Question 3

Lens

Answer 3

Bends the light into focus

Question 4

Retina

Answer 4

Light sensitive tissue at the back of the eyeball

Question 5

Fovea

Answer 5

Where vision is at its clearer and there are no rods at all

Question 6

Cornea

Answer 6

A clear, smooth outer tissue that bends light

Question 7

What are the purpose of cones?

Answer 7

Cones detect color and find details
6 million
all densely packed in the center of the fovea
not sensitive in dim light

Question 8

What are the purpose of rods?

Answer 8

Rods become active in low light conditions for night vision
more sensitive than cones
120 million rods
all located in the periphery of the eye

Question 9

How are cones and rods similar?

Answer 9

They are both photoreceptors

Question 10

What is meant by the term Gestalt?

Answer 10

We tend to perceive a unified, whole object rather then a collective of separate parts

Question 11

Name six of the Gestalt principles

Answer 11

Simplicity
Closure
Continuity
Proximity 
Similarity
Common Fate

Question 12

What are monocular cues?

Answer 12

Aspects of a scene that yield info about depth from one eye

Question 13

What are some of the monoculars cues?

Answer 13

Relative size
Familiar size
Linear Perspective
Texture gradient
Interposition 
Relative height