RST 230 Exam 3 Exam Questions With
Correct Answers
legally |blind |- |CORRECT |ANSWER✔✔-if |his |vision |in |the |better |eye, |even |with |glasses |or |
contact |lenses, |is |no |better |than |20/200 |or |if |his |visual |field |has |a |maximum |diameter |of |20 |
degrees
visually |impaired, |partially |sighted, |or |low |vision |- |CORRECT |ANSWER✔✔-describe |a |serious |
loss |of |vision |that |cannot |be |corrected |by |medical |or |surgical |procedures |or |with |conventional
|eyeglasses
acuity |- |CORRECT |ANSWER✔✔-described |amount |of |detail |an |individual |sees |compared |to |a |
normal |eye
visual |field |- |CORRECT |ANSWER✔✔-includes |entire |area |that |can |be |seen |at |one |time |with |the
|fixed |eye
-Normal |vision |is |170 |degrees |roughly
tunnel |vision |- |CORRECT |ANSWER✔✔-can |see |straight |ahead |but |not |to |the |sides
peripheral |vision |- |CORRECT |ANSWER✔✔-cannot |see |straight |ahead, |can |only |see |peripheral
tunnel |vision |- |CORRECT |ANSWER✔✔-cannot |see |to |the |sides |only |straight |ahead
ocular |dominance |- |CORRECT |ANSWER✔✔-the |tendency |to |prefer |visual |input |from |one |eye |
to |the |other
,the |miles |test |- |CORRECT |ANSWER✔✔-Used |to |test |dominant |eye; |triangle |with |hand, |close |
one |eye, |the |eye |that |doesn't |move |is |the |dominant |eye
cataracts |- |CORRECT |ANSWER✔✔--lens |becomes |milky |or |cloudy |and |this |cloudiness |distorts |
rays |of |light |and |prevents |light |from |being |focused |on |the |retina
-Primary |cause |of |blindness |among |other |adults
-Symptoms:
Blurred |vision
Double |vision
Poor |night |vision
Need |for |bright |lights |when |reading
-Causes:
Lack |of |oxygen |- |disturbance |in |the |nutrition |of |the |lens
glaucoma |- |CORRECT |ANSWER✔✔--Caused |by |increased |pressure |within |the |eyeball
-A |liquid |builds |up |and |increases |pressure |within |the |eye
-Such |increased |pressure |can |damage |the |optic |nerve
-Symptoms:
Loss |of |peripheral |vision
Sensitivity |to |light |and |glare
diabetic |retinopathy |- |CORRECT |ANSWER✔✔--Diabetes |causes |changes |in |blood |vessels |in |the |
retina |that |cause |hemorrhaging
-One |of |the |most |common |causes |of |visual |impairments |and |blindness |in |the |US
-Symptoms:
Spots |floating |in |the |visual |field
, Vision |loss
Blurred |vision
Poor |night |vision
major |causes |of |visual |impairments |- |CORRECT |ANSWER✔✔--Trauma |to |the |eye
-Aging
-Congenital
-Disease
-Accidents
sighted |guide |technique |- |CORRECT |ANSWER✔✔--A |blind |person's |right |hand |will |grip |your |
left |elbow
-Keep |your |arm |close |to |your |body
-Blind |person |will |travel |half |step |behind |you
-Keep |the |person |aware |of |conditions |or |changes |in |surroundings, |mention |curbs |stairs |etc
hearing |impairment |- |CORRECT |ANSWER✔✔-general |term |used |to |describe |all |types |of |
hearing |loss, |ranging |from |very |mild |to |profound |deafness.
deafness |- |CORRECT |ANSWER✔✔-state |occurring |when |a |person |is |unable |to |understand |
speech |through |the |ear |alone, |either |with |or |without |a |hearing |aid.
hard |of |hearing |- |CORRECT |ANSWER✔✔-people |who |have |mild |to |moderate |hearing |loss |
resulting |in |decreased |perception |of |conversational |speech, |but |sufficient |hearing |to |permit |
understanding |under |optimal |circumstances.
pre |lingual |- |CORRECT |ANSWER✔✔-you |lose |your |hearing |before |speech |develops
Correct Answers
legally |blind |- |CORRECT |ANSWER✔✔-if |his |vision |in |the |better |eye, |even |with |glasses |or |
contact |lenses, |is |no |better |than |20/200 |or |if |his |visual |field |has |a |maximum |diameter |of |20 |
degrees
visually |impaired, |partially |sighted, |or |low |vision |- |CORRECT |ANSWER✔✔-describe |a |serious |
loss |of |vision |that |cannot |be |corrected |by |medical |or |surgical |procedures |or |with |conventional
|eyeglasses
acuity |- |CORRECT |ANSWER✔✔-described |amount |of |detail |an |individual |sees |compared |to |a |
normal |eye
visual |field |- |CORRECT |ANSWER✔✔-includes |entire |area |that |can |be |seen |at |one |time |with |the
|fixed |eye
-Normal |vision |is |170 |degrees |roughly
tunnel |vision |- |CORRECT |ANSWER✔✔-can |see |straight |ahead |but |not |to |the |sides
peripheral |vision |- |CORRECT |ANSWER✔✔-cannot |see |straight |ahead, |can |only |see |peripheral
tunnel |vision |- |CORRECT |ANSWER✔✔-cannot |see |to |the |sides |only |straight |ahead
ocular |dominance |- |CORRECT |ANSWER✔✔-the |tendency |to |prefer |visual |input |from |one |eye |
to |the |other
,the |miles |test |- |CORRECT |ANSWER✔✔-Used |to |test |dominant |eye; |triangle |with |hand, |close |
one |eye, |the |eye |that |doesn't |move |is |the |dominant |eye
cataracts |- |CORRECT |ANSWER✔✔--lens |becomes |milky |or |cloudy |and |this |cloudiness |distorts |
rays |of |light |and |prevents |light |from |being |focused |on |the |retina
-Primary |cause |of |blindness |among |other |adults
-Symptoms:
Blurred |vision
Double |vision
Poor |night |vision
Need |for |bright |lights |when |reading
-Causes:
Lack |of |oxygen |- |disturbance |in |the |nutrition |of |the |lens
glaucoma |- |CORRECT |ANSWER✔✔--Caused |by |increased |pressure |within |the |eyeball
-A |liquid |builds |up |and |increases |pressure |within |the |eye
-Such |increased |pressure |can |damage |the |optic |nerve
-Symptoms:
Loss |of |peripheral |vision
Sensitivity |to |light |and |glare
diabetic |retinopathy |- |CORRECT |ANSWER✔✔--Diabetes |causes |changes |in |blood |vessels |in |the |
retina |that |cause |hemorrhaging
-One |of |the |most |common |causes |of |visual |impairments |and |blindness |in |the |US
-Symptoms:
Spots |floating |in |the |visual |field
, Vision |loss
Blurred |vision
Poor |night |vision
major |causes |of |visual |impairments |- |CORRECT |ANSWER✔✔--Trauma |to |the |eye
-Aging
-Congenital
-Disease
-Accidents
sighted |guide |technique |- |CORRECT |ANSWER✔✔--A |blind |person's |right |hand |will |grip |your |
left |elbow
-Keep |your |arm |close |to |your |body
-Blind |person |will |travel |half |step |behind |you
-Keep |the |person |aware |of |conditions |or |changes |in |surroundings, |mention |curbs |stairs |etc
hearing |impairment |- |CORRECT |ANSWER✔✔-general |term |used |to |describe |all |types |of |
hearing |loss, |ranging |from |very |mild |to |profound |deafness.
deafness |- |CORRECT |ANSWER✔✔-state |occurring |when |a |person |is |unable |to |understand |
speech |through |the |ear |alone, |either |with |or |without |a |hearing |aid.
hard |of |hearing |- |CORRECT |ANSWER✔✔-people |who |have |mild |to |moderate |hearing |loss |
resulting |in |decreased |perception |of |conversational |speech, |but |sufficient |hearing |to |permit |
understanding |under |optimal |circumstances.
pre |lingual |- |CORRECT |ANSWER✔✔-you |lose |your |hearing |before |speech |develops
