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The majority of people who are legally blind have some useful vision.

A) True
B) False

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Most authorities recommend the use of guide dogs as the most efficient mobility aid for most persons who are blind.

A) True
B) False

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Adults who learned braille in childhood as their primary medium for reading are employed at half the rate of those who used print as their primary medium.

A) True
B) False

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Write a case description of a student who is defined as "legally blind" but has low vision from an educational perspective.

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Cases will vary but will reflect knowled...

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As a result of improper muscle functioning,Zelda's eyes are misaligned.This description suggests which one of the following conditions?


A) strabismus
B) coloboma
C) retinitis pigmentosa
D) nystagmus

E) B) and D)
F) C) and D)

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Janice is described as being able to detect some objects in the environment when they are fully lit.This is an example of a skill a teacher might note when performing a


A) functional vision assessment.
B) functional acuity assessment.
C) visual efficiency assessment.
D) visual sensitivity assessment.

E) A) and D)
F) None of the above

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Which of the following statements about technology that holds relevance for people who are blind or who have low vision is true?


A) Finding a specific section of a text is easier with a tape recording than with braille.
B) Looking up words in a dictionary is easier with a tape recording than with braille.
C) Computers have not replaced pen and pencil for people who are sighted.
D) There currently exists an artificial vision system that is more useful than the long cane.

E) A) and C)
F) None of the above

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A hereditary disease that usually causes the field of vision to narrow and also affects night vision is


A) diabetic retinopathy.
B) nystagmus.
C) cortical visual impairment.
D) retinitis pigmentosa.

E) C) and D)
F) B) and C)

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Clara has good vision for assignments written on the blackboard,but she has difficulty with the print in her textbook.She may have a refraction problem known as


A) myopia.
B) hyperopia.
C) astigmatism.
D) glaucoma.

E) B) and D)
F) A) and B)

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The major disadvantage of large-print books is that they


A) take up a great deal of storage space.
B) are not available in libraries.
C) encourage students to be dependent on them.
D) take much longer to read.

E) A) and B)
F) A) and D)

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Blindness is one of the most feared conditions,ranked only below cancer and AIDS.

A) True
B) False

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For educational purposes,individuals who are blind


A) are able to use a magnifying device.
B) can still read print if it is large enough.
C) have absolutely no sight.
D) must use braille or aural methods.

E) A) and B)
F) A) and C)

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Oscar,a ninth grader who is blind,uses a device that converts regular print into synthesized speech.What is the machine called?


A) Descriptive Video Service
B) VersaBraille
C) Kurzweil 1000
D) Kurzweil Personal Reader

E) A) and D)
F) A) and C)

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Children spontaneously compensate for poor vision by developing superior listening skills.

A) True
B) False

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There appears to be a delay in the very earliest stages of language for some infants with visual impairments.

A) True
B) False

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The legal definition of blindness involves assessment of


A) colour perception and visual acuity.
B) field of vision and depth perception.
C) visual acuity and field of vision.
D) depth perception and colour perception.

E) None of the above
F) A) and D)

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Interpretive Exercise Kelsey and Kyle are middle school students.Kelsey lost her vision as a newborn when she was administered excessive concentrations of oxygen to prevent brain damage.Although she can detect light,she is unable to use sight for learning.Kyle has myopia that is partially corrected by glasses.In fourth grade,his vision began to deteriorate due to retinitis pigmentosa.With glasses,his vision is 20/100 with a field that subtends an angular distance of 15 degrees. -Kelsey's condition is known as


A) congenital cataracts.
B) retinopathy of prematurity.
C) coloboma.
D) infantile glaucoma.

E) A) and B)
F) A) and C)

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Even though he has visual acuity of 20/20,Jeff is considered legally blind.This is possible if he has severely restricted


A) angular vision.
B) peripheral vision.
C) partial vision.
D) tunnel vision.

E) A) and D)
F) B) and C)

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In Canada,of students identified with an exceptionality,those with vision difficulties comprise approximately 20%.

A) True
B) False

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Some people who are blind have facial expressions that differ in subtle ways from those who are sighted.

A) True
B) False

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