Disabilities Flashcards

1
Q

Legally Blind

A

20/200

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2
Q

Low Vision

A

30 degree or lower/ 20/200 to 20/70 in better eye after correction

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3
Q

Tunnel vision

A

20 degrees or lower field of vision

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4
Q

Motion Perception

A

3/200 to 5/200 rally moving, not still, objects

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5
Q

Light perception

A

vision below 3/200 seeing bright light from 3 feet away but not detecting movement

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6
Q

Total Blindness

A

Inability to see strong light shined into eye

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7
Q

Congenital blindness

A

Born blind

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8
Q

Adventitious Blindness

A

losing eyesight after birth

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9
Q

Myopia

A

nearsightedness

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10
Q

Hyperopia

A

Farsightedness

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11
Q

Astigmatism

A

blurred near and far vision

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12
Q

Presbyopia

A

aging related farsightedness

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13
Q

Bifocal

A

nearsighted people also develop presbyopia

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14
Q

Nystagmus

A

rapid vertical and horizontal eye movement

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15
Q

Strabismus

A

crossed or turned out eyes

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16
Q

Amblyopia

A

Lazy eye

17
Q

Achromatic

A

Color blindness

18
Q

Albinism

A

lack of pigmentation causing reflective errors, photosensitivity and other problems

19
Q

Retinis pigmentosa

A

eye rods and cones fail to regenerate causing night blindness, tunnel vision/central vision loss

20
Q

Cataracts

A

congenital or age-related cloudiness/opacity oxeye lens. Impaired vision or blindness if not removed

21
Q

Conjunctivitis

A

Inflammation of conjunctiva/inner eyelid lining and scleral covering

22
Q

Diabetic retinopathy

A

retinal hemorrhages from vascular changes cause blindness

23
Q

Glaucoma

A

increased inner eye fluid pressure impairs eye sight, beginning with peripheral vision

24
Q

Slight hearing loss

A

hearing 25-40 dB at all tested frequencies. can’t understand whispered speech

25
Q

Mild hearing loss

A

41-54 dB, one can understand conversation at normal fondness from 3-5 feet but not farther

26
Q

Moderate hearing loss

A

55-69 dB one can only understand loud speech at close ranges

27
Q

Severe hearing loss

A

70-89 dB one may hear loud voices around a foot away from the ears

28
Q

Profound hearing loss

A

90 dB or higher one can sense vibrations, but not tonal patterns

29
Q

HOH

A

have hearing loos but can process spoken language with.without hearing aids

30
Q

Deaf

A

people cannot process spoken language with/without hearing aids

31
Q

Conductive hearing losses

A

caused by physical obstructions in the conduction of sound waves from he outer or middle ear to inner ear

32
Q

Sensorineural hearing losses

A

caused by damage to/defects in the hair cells inside the inner ears cochlea and auditory nerves that convert sound waves and carry the nerve impulses from the cochlea to the brain