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

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
Mild hearing loss
41-54 dB, one can understand conversation at normal fondness from 3-5 feet but not farther
26
Moderate hearing loss
55-69 dB one can only understand loud speech at close ranges
27
Severe hearing loss
70-89 dB one may hear loud voices around a foot away from the ears
28
Profound hearing loss
90 dB or higher one can sense vibrations, but not tonal patterns
29
HOH
have hearing loos but can process spoken language with.without hearing aids
30
Deaf
people cannot process spoken language with/without hearing aids
31
Conductive hearing losses
caused by physical obstructions in the conduction of sound waves from he outer or middle ear to inner ear
32
Sensorineural hearing losses
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