Visual Impairments: Types and Definitions - Online Learning Quizzes

Question 1

Which of the following is the primary determinant of visual acuity?

Accepted Answer

Clarity of central vision

Answer

Range of peripheral vision

Answer

Depth perception

Answer

Sensitivity to light intensity

Question 2

The range of vision within which an object can be seen is known as the:

Accepted Answer

Visual field

Answer

Visual acuity

Answer

Fundus

Question 3

According to the legal definition in the United States, what is the visual acuity threshold for blindness in the better eye with the best possible correction?

Accepted Answer

20/200 or less

Answer

20/400 or less

Answer

10/200 or less

Question 4

What is the most common cause of visual impairment in children?

Accepted Answer

Refractive errors

Answer

Macular degeneration

Answer

Cataracts

Answer

Glaucoma

Question 5

Which of the following is a common educational intervention for students with low vision?

Accepted Answer

Use of magnifiers and other assistive devices

Answer

Braille instruction

Answer

Occupational therapy

Answer

Speech therapy

Question 6

What is the purpose of a visual efficiency rating?

Accepted Answer

To quantify an individual's visual functioning

Answer

To determine eligibility for special education services

Answer

To prescribe optical devices

Question 7

A visual field defect known as hemianopia affects which part of the visual field?

Accepted Answer

Half of the field

Answer

None of the field

Answer

Three-quarters of the field

Answer

Quarter of the field

Question 8

Which of the following is a type of low vision?

Accepted Answer

Central vision loss

Answer

Total blindness

Answer

Night blindness

Answer

Color blindness

Question 9

The legal definition of blindness in the US is based on which of the following?

Accepted Answer

Visual acuity and visual field

Answer

Visual field only

Answer

Visual acuity only

Answer

Contrast sensitivity only

Question 10

Which of the following is NOT a cause of cortical visual impairment?

Accepted Answer

Glaucoma

Answer

Stroke

Answer

Head injury

Answer

Brain tumor

Question 11

Which of the following is a potential impact of visual impairment on education?

Accepted Answer

Difficulty reading and writing

Answer

Enhanced problem-solving skills

Answer

Improved spatial reasoning

Answer

Accelerated language development

Question 12

What is the best way to describe the visual field of a person with tunnel vision?

Accepted Answer

Narrowed, like looking through a tunnel

Answer

Expanded, like a panoramic view

Answer

Blurred, like a fog

Answer

Flickering, like a strobe light

Question 13

What is the primary function of the retina in the eye?

Accepted Answer

Converts light into electrical signals

Answer

Adjusts the shape of the lens

Answer

Controls the flow of tears

Answer

Detects movement

Question 14

Which of the following is NOT a characteristic of visual impairment?

Accepted Answer

A limitation in a person's ability to see that can be corrected by eyeglasses, contact lenses, or refractive surgery.

Answer

Complete loss of vision in one or both eyes.

Answer

Difficulty in performing daily activities.

Question 15

Which function is primarily tested when measuring visual acuity?

Accepted Answer

Sharpness or clarity of vision.

Answer

Depth perception.

Answer

Color perception.

Answer

Wide angle vision.

Question 16

Which type of visual field loss is characterized by a gradual loss of vision from the periphery inward?

Accepted Answer

Retinitis pigmentosa.

Answer

Macular degeneration.

Answer

Hemianopia.

Answer

Glaucoma.

Question 17

What is the legal definition of blindness in the United States?

Accepted Answer

Central visual acuity of 20/200 or less in the better eye with best correction.

Answer

Inability to read standard print.

Answer

Visual field of less than 10 degrees.

Question 18

What is the term used to describe a person with a visual impairment that cannot be corrected to better than 20/70 in the better eye?

Accepted Answer

Low vision.

Answer

Cortically visually impaired.

Answer

Partially sighted.

Answer

Legally blind.

Question 19

Which of the following is a major cause of low vision?

Accepted Answer

Age-related macular degeneration.

Answer

Stroke.

Answer

Conjunctivitis.

Answer

Traumatic brain injury.

Question 20

What is the primary purpose of a visual efficiency rating?

Accepted Answer

To assess the impact of a visual impairment on daily activities.

Answer

To predict the future course of a visual impairment.

Answer

To determine the severity of visual loss.

Question 21

Which of the following assistive technology devices can help individuals with low vision to read print?

Accepted Answer

Magnifying glass.

Answer

Wheelchair.

Answer

Speech synthesizer.

Answer

Hearing aid.

Question 22

What is the accepted definition of visual impairment?

Accepted Answer

A condition that significantly interferes with daily activities due to impaired vision.

Answer

Total blindness in both eyes.

Answer

Visual acuity of 20/20 or better in both eyes.

Question 23

Which term describes a visual acuity of 20/200 or worse in the better-seeing eye with optimal correction?

Accepted Answer

Legal blindness.

Answer

Low vision.

Answer

Visual field loss.

Answer

Cortical visual impairment.

Question 24

What is the term for a visual field restricted to less than 20 degrees?

Accepted Answer

Tunnel vision.

Answer

Macular degeneration.

Answer

Scotoma.

Answer

Hemianopia.

Question 25

Which characteristic is distinctive to cortical visual impairment?

Accepted Answer

Difficulty interpreting visual information.

Answer

Reduced visual acuity.

Answer

Photophobia.

Answer

Constricted visual field.

Question 26

What is an effective strategy to support students with visual impairments in the classroom?

Accepted Answer

Provide preferential seating and enlarge instructional materials.

Answer

Force them to sit in the front row.

Answer

Ignore their visual impairment.

Question 27

Which assistive technology device is commonly used by visually impaired students?

Accepted Answer

Screen reader.

Answer

Hearing aid.

Answer

Wheelchair.

Question 28

Why is early intervention crucial for students with visual impairments?

Accepted Answer

To optimize their developmental progress and educational opportunities.

Answer

To foster independence.

Answer

To prevent total blindness.

Question 29

Which of the following is the commonly accepted definition of visual acuity?

Accepted Answer

The ability to perceive the form and detail of objects at a given distance.

Answer

The ability to judge depth

Answer

The ability to detect light and dark

Question 30

Which type of visual impairment involves a reduction in the field of vision?

Accepted Answer

Visual field loss

Answer

Legal blindness

Answer

Cortical visual impairment

Answer

Low vision

Question 31

Which of the following is NOT a characteristic of the legal definition of blindness in the United States?

Accepted Answer

Visual acuity of 20/200 or better in the better-seeing eye

Answer

Inability to read standard printed material at a reasonable viewing distance

Answer

Visual field of 20 degrees or less

Question 32

What is the primary neurological cause of cortical visual impairment?

Accepted Answer

Damage to the occipital lobe

Answer

Damage to the optic nerve

Answer

Damage to the retina

Question 33

Which type of visual impairment is characterized by difficulty perceiving fine details, such as reading text or threading a needle?

Accepted Answer

Central visual impairment

Answer

Night blindness

Answer

Color blindness

Answer

Peripheral visual impairment

Question 34

What is the typical range of visual acuity for individuals with low vision?

Accepted Answer

20/70 to 20/200

Answer

20/20 to 20/70

Answer

20/1000 or worse

Answer

20/400 to 20/800

Question 35

Which of the following is NOT typically considered when classifying visual impairments?

Accepted Answer

Age of onset

Answer

Visual acuity

Answer

Visual field

Question 36

Which of the following is the most comprehensive definition of a visual impairment?

Accepted Answer

A condition that affects the eyes or visual pathways, resulting in reduced visual acuity, visual field, or both

Answer

A condition that affects the eyes and results in only reduced visual field

Answer

A condition that affects the brain and results in cognitive impairment

Answer

A condition that affects the eyes and results in only reduced visual acuity

Question 37

What is the leading cause of visual impairment that is preventable and treatable?

Accepted Answer

Uncorrected refractive errors

Answer

Cataracts

Answer

Glaucoma

Answer

Age-related macular degeneration

Question 38

What is the primary distinction between visual acuity and visual field?

Accepted Answer

Visual acuity measures the sharpness of central vision, while visual field measures the extent of side vision

Answer

Visual acuity measures the extent of side vision, while visual field measures the sharpness of central vision

Question 39

Which of the following is NOT a type of low vision impairment?

Accepted Answer

Legal blindness

Answer

Nearsightedness

Answer

Partial sightedness

Question 40

According to the legal definition in the United States, what level of visual acuity qualifies as blindness in the better-seeing eye, even with corrective lenses?

Accepted Answer

20/200 or less

Answer

20/800 or less

Answer

20/400 or less

Question 41

Which of the following is a defining characteristic of cortical visual impairment (CVI)?

Accepted Answer

Difficulty interpreting visual information despite normal visual acuity and visual field

Answer

Reduced visual acuity

Answer

Narrowed visual field

Question 42

Which assistive device is commonly used by individuals with low vision to enhance their reading ability?

Accepted Answer

Magnifying glass

Answer

Braille

Answer

Wheelchair

Answer

Hearing aid

Question 43

What is the primary objective of early intervention services for children with visual impairments?

Accepted Answer

To promote optimal development and prevent the emergence of secondary disabilities

Answer

To restore normal vision

Answer

To prepare children for a life of dependency

Question 44

Which teaching strategy is considered effective for students with visual impairments?

Accepted Answer

Utilizing multisensory approaches

Answer

Avoiding eye contact

Answer

Speaking more loudly without any visual cues

Answer

Using exaggerated gestures only

Question 45

Approximately how many individuals worldwide are estimated to have a visual impairment?

Accepted Answer

285 million

Answer

500 million

Answer

1 billion

Answer

100 million

Question 46

Which of the following is NOT a component of visual acuity?

Accepted Answer

Visual field

Answer

Sharpness

Answer

Clarity

Question 47

What is the term for the area of vision that can be seen without moving the eyes?

Accepted Answer

Visual field

Answer

Macular vision

Answer

Central vision

Answer

Peripheral vision

Question 48

Which type of visual impairment is characterized by a visual acuity of 20/70 or worse in the better eye with best correction?

Accepted Answer

Low vision

Answer

Central visual impairment

Answer

Cortical visual impairment

Answer

Legal blindness

Question 49

What is the official definition of legal blindness in the United States?

Accepted Answer

Visual acuity of 20/200 or worse in the better eye with best correction, or a visual field of 20 degrees or less

Answer

Visual acuity of 20/400 or worse in the better eye with best correction

Question 50

Which type of visual impairment is caused by damage to the visual cortex?

Accepted Answer

Cortical visual impairment

Answer

Legal blindness

Answer

Low vision

Answer

Peripheral visual impairment

Question 51

What is the term for a person who is completely blind?

Accepted Answer

Totally blind

Answer

Partially sighted

Answer

Low vision

Answer

Legally blind

Question 52

Which of the following is a characteristic of macular degeneration?

Accepted Answer

Loss of central vision

Answer

Double vision

Answer

Loss of peripheral vision

Answer

Blurred vision

Question 53

What is the role of an ophthalmologist in relation to visual impairments?

Accepted Answer

Diagnose and treat eye diseases

Answer

Provide educational support

Answer

Counsel individuals with visual impairments

Answer

Develop assistive technology

Question 54

Which of the following is an assistive technology that can help individuals with visual impairments?

Accepted Answer

Magnifying glass

Answer

Hearing aid

Answer

Mobility cane