Question 1

The cornea is the transparent portion of the

Accepted Answer

A) retina. 
B) sclera. 
C) choroid. 
A) retina. 
B) sclera. 
C) choroid.

Question 2

In a pinch,should a person with mild presbyopia borrow glasses from their friend with myopia or hyperopia? Of course,it is not recommended that you borrow anyone's glasses,but for which visual disorder would the prescriptive correction be more similar to that for presbyopia?

Accepted Answer

In presbyopia,the lens becomes less elas

Question 3

The position of the near point

Accepted Answer

A) gets increasingly closer from the eye with age. 
B) gets increasingly farther from the eye with age. 
C) has not been shown to be related to age. 
A) gets increasingly closer from the eye with age. 
B) gets increasingly farther from the eye with age. 
C) has not been shown to be related to age.

Question 4

A single particle of light is called a

Accepted Answer

A) neutron. 
B) photon. 
C) wavelength. 
A) neutron. 
B) photon. 
C) wavelength.

Question 5

The dark-adaptation curve indicates that after about 5 to 7 minutes in the dark

Accepted Answer

A) the eyes are fully dark-adapted. 
B) most rods have completed photopigment regeneration. 
C) cones have reached their maximum sensitivity. 
A) the eyes are fully dark-adapted. 
B) most rods have completed photopigment regeneration. 
C) cones have reached their maximum sensitivity.

Question 6

Rods while cones .

Accepted Answer

A) support daylight vision;support night vision 
B) number about 100 million in each eye;number about 5 million in each eye 
C) dark-adapt quickly;dark-adapt slowly 
A) support daylight vision;support night vision 
B) number about 100 million in each eye;number about 5 million in each eye 
C) dark-adapt quickly;dark-adapt slowly

Question 7

The superior and inferior rectus muscles move the eyes

Accepted Answer

A) up and down. 
B) side to side. 
C) counterclockwise and clockwise. 
A) up and down. 
B) side to side. 
C) counterclockwise and clockwise.

Question 8

Rod monochromats

Accepted Answer

A) have very good visual acuity. 
B) see much better in daylight conditions than at night. 
C) produce dark adaptation curves without the characteristic rod-cone break. 
A) have very good visual acuity. 
B) see much better in daylight conditions than at night. 
C) produce dark adaptation curves without the characteristic rod-cone break.

Question 9

______________ are found in the retina and send signals to bipolar,amacrine,and retinal gan- glion cells.

Accepted Answer

A) Bipolar cells 
B) Amacrine cells 
C) Both bipolar and amacrine cells 
A) Bipolar cells 
B) Amacrine cells 
C) Both bipolar and amacrine cells

Question 10

An ophthalmologist uses a to examine the retina.

Accepted Answer

A) tonometer 
B) ophthalmoscope 
C) thermal imaging camera 
A) tonometer 
B) ophthalmoscope 
C) thermal imaging camera

Question 11

Compare the focusing mechanism of the eye to that of a camera: How are they similar? How are they different?

Accepted Answer

Both eye and camera use a clear lens to

Question 12

The outer segment ("business end")of the photoreceptors

Accepted Answer

A) synapses with the bipolar cells. 
B) is embedded in the pigment epithelium. 
C) is part of the outer nuclear layer. 
A) synapses with the bipolar cells. 
B) is embedded in the pigment epithelium. 
C) is part of the outer nuclear layer.

Question 13

The only type of electromagnetic radiation that humans can see is

Accepted Answer

A) microwave radiation. 
B) X-rays. 
C) between about 370 nm to about 730 nm. 
A) microwave radiation. 
B) X-rays. 
C) between about 370 nm to about 730 nm.

Question 14

The largest of the three fluid-filled chambers in the eye is the

Accepted Answer

A) anterior chamber. 
B) posterior chamber. 
C) vitreous chamber. 
A) anterior chamber. 
B) posterior chamber. 
C) vitreous chamber.

Question 15

The enhancement of edges in Mach bands can be explained by

Accepted Answer

A) lateral inhibition. 
B) the activity of rods but not cones. 
C) dark adaptation. 
A) lateral inhibition. 
B) the activity of rods but not cones. 
C) dark adaptation.

Question 16

The minimal amount of light that a rod can respond to is

Accepted Answer

A) 1 photon. 
B) 10 photons. 
C) 100 photons. 
A) 1 photon. 
B) 10 photons. 
C) 100 photons.

Question 17

In order to maximally stimulate a RGC with an on-center receptive field,the light should

Accepted Answer

A) strike the entire receptive field. 
B) strike all of the center of the receptive field and none of the surround of the receptive field. 
C) strike only the surround of the receptive field. 
A) strike the entire receptive field. 
B) strike all of the center of the receptive field and none of the surround of the receptive field. 
C) strike only the surround of the receptive field.

Question 18

The inner nuclear layer of the retina contains

Accepted Answer

A) bipolar,horizontal,and amacrine cells. 
B) bipolar,horizontal,and retinal ganglion cells. 
C) photoreceptors,horizontal cells,and amacrine cells. 
A) bipolar,horizontal,and amacrine cells. 
B) bipolar,horizontal,and retinal ganglion cells. 
C) photoreceptors,horizontal cells,and amacrine cells.

Question 19

Night-vision devices based on thermal imaging are most sensitive to

Accepted Answer

A) infrared radiation. 
B) light in the visible range. 
C) phosphorescent light. 
A) infrared radiation. 
B) light in the visible range. 
C) phosphorescent light.

Question 20

______________ is the name for a disorder of vision in which the intraocular pressure is too high.

Accepted Answer

A) Astigmatism 
B) Cataracts 
C) Glaucoma 
A) Astigmatism 
B) Cataracts 
C) Glaucoma

The cornea is the transparent portion of the

In a pinch,should a person with mild presbyopia borrow glasses from their friend with myopia or hyperopia? Of course,it is not recommended that you borrow anyone's glasses,but for which visual disorder would the prescriptive correction be more similar to that for presbyopia?

The position of the near point

A single particle of light is called a

The dark-adaptation curve indicates that after about 5 to 7 minutes in the dark

Rods while cones .

The superior and inferior rectus muscles move the eyes

Rod monochromats

______________ are found in the retina and send signals to bipolar,amacrine,and retinal gan- glion cells.

An ophthalmologist uses a to examine the retina.

Compare the focusing mechanism of the eye to that of a camera: How are they similar? How are they different?

The outer segment ("business end")of the photoreceptors

The only type of electromagnetic radiation that humans can see is

The largest of the three fluid-filled chambers in the eye is the

The enhancement of edges in Mach bands can be explained by

The minimal amount of light that a rod can respond to is

In order to maximally stimulate a RGC with an on-center receptive field,the light should

The inner nuclear layer of the retina contains

Night-vision devices based on thermal imaging are most sensitive to

______________ is the name for a disorder of vision in which the intraocular pressure is too high.

Foundations

The Visual Brain

Recognizing Visual Objects

Perceiving Color

Perceiving Depth

Perceiving Motion and Perception for Action

Attention and Awareness

Sound and the Ears

The Auditory Brain and Perceiving Auditory Scenes

Perceiving Speech and Music

The Body Senses

The Chemical Senses:

Filters

Exam 2: Light and the Eyes

The cornea is the transparent portion of the

In a pinch,should a person with mild presbyopia borrow glasses from their friend with myopia or hyperopia? Of course,it is not recommended that you borrow anyone's glasses,but for which visual disorder would the prescriptive correction be more similar to that for presbyopia?

The position of the near point

A single particle of light is called a

The dark-adaptation curve indicates that after about 5 to 7 minutes in the dark

Rods while cones .

The superior and inferior rectus muscles move the eyes

Rod monochromats

______________ are found in the retina and send signals to bipolar,amacrine,and retinal gan- glion cells.

An ophthalmologist uses a to examine the retina.

Compare the focusing mechanism of the eye to that of a camera: How are they similar? How are they different?

The outer segment ("business end")of the photoreceptors

The only type of electromagnetic radiation that humans can see is

The largest of the three fluid-filled chambers in the eye is the

The enhancement of edges in Mach bands can be explained by

The minimal amount of light that a rod can respond to is

In order to maximally stimulate a RGC with an on-center receptive field,the light should

The inner nuclear layer of the retina contains

Night-vision devices based on thermal imaging are most sensitive to

______________ is the name for a disorder of vision in which the intraocular pressure is too high.

Foundations

The Visual Brain

Recognizing Visual Objects

Perceiving Color

Perceiving Depth

Perceiving Motion and Perception for Action

Attention and Awareness

Sound and the Ears

The Auditory Brain and Perceiving Auditory Scenes

Perceiving Speech and Music

The Body Senses

The Chemical Senses:

Filters