NCLE TEST QUESTIONS WITH
ACCURATE SOLUTIONS
Assessment yof ythe yquality yof ythe yperipheral ycurves y(blends yof ya yrigid ycontact
ylens) yis yachieved yby ythe yuse yof ythe-
a. yprofile yanalyzer
b. yshadow ygraph
c. ykeratometer
d. yburton ylight y- ycorrect yanswers y-a. yprofile yanalyzer
Contact ylens ypower yshould ybe yspecified yin-
a. yback yvertex ypower
b. ysphero-cylinder ypower
c. ypower yin ysitu
d. yposterier yapical yradius y- ycorrect yanswers y-a. yback yvertex ypower
The yslit-lamp yillumination ythat ygives yan yoverall yview yof ythe ycornea ybut ylimits
ydetail yis-
,a. ysclerotic yscatter
b. ydiffuse
c. yspecular yreflection
d. yoscilatory y- ycorrect yanswers y-b. ydiffuse
When ya ykeratometric ymiers yreflected yoff ya ysoft ycontact ylens yare yonly yclear ywhen
ythe ywearer yblinks, ythe ylens yfit yis ytoo-
a. ysmall
b. ylarge
c. ysteep
d. yflat y- ycorrect yanswers y-c. ysteep
Transient ykeratometric ymier ydistortion yis yusually ydue yto-
a. ypre-ocular ytear yfilm yabnormalities
b. yprolonged yrigid ylens ywear
c. yprolonged ysoft ylens ywear
d. yirregular ycorneal yastigmatism y- ycorrect yanswers y-a. ypre-ocular ytear yfilm
yabnormalities
Epithelial yedema ywhich ymanifests yitself yclinically yas ycentral ycorneal yhaze, yis
yverified yby ythe yslit ylamp yusing ysclerotic yscatter yillumination. yWhat yspecific
ytechnique ydoes ythe yexaminer yuse yto ysee ythis ycondition?
a. ythe ynaked yeye yand yan yangle ybetween ythe yslit ylamp ybeam yand ythe yeye yof
y90˚
b. ythe yblue ycobalt yfilter yof ythe yslit ylamp yand yan yangle yof yabout y45˚
c. ythe ygreen yfilter yof ythe yslit ylamp ywith yhigh ymagnification
d. yhigh ymagnification yand yan yangle ybetween ythe ybeam yand yscope yof y180˚ y-
ycorrect yanswers y-a. ythe ynaked yeye yand yan yangle ybetween ythe yslit ylamp ybeam
yand ythe yeye yof y90˚
With ya yrigid ycontact ylens yin yplace ya yflourescein ypattern yshows ya ynarrow ybend
yhorizontally ywih ya yconcentration yof yflourescein yinferiorly yand ysuperiorly yunder ythe
ylens. yWhich yone yof ythe yfollowing ytype yof yastigmatism yis yrepresented yby ythis
ypattern?
a. ylenticular yastigmatism
b. yresidual yastigmatism
c. yagainst ythe yrule yastigmatism
d. ywith ythe yrule yastigmatism y- ycorrect yanswers y-d. ywith ythe yrule yastigmatism
Refractive yRx y-3.00 y-1.00 yx y170
K's y42.00 y@ y170/43.00 y@ y80
Given ythe yabove yRx yand yK's yhe yfollowing ydiagnostic ytoric ysoft ylens ywas yused:
B.C. y8.8
Power y-3.00 y-1.00 yx y180
During ydianostic yevalutation, ythe yabove ylens yrotated y10 yclockwise. yThe ylens
yordered yshould yhave yan yaxis yof:
, a. y10
b. y180
c. y170
d. y160 y- ycorrect yanswers y-b. y180
Given ythe ysame ycircumstances yfrom ythe yabove yquestion, yonce ythe ycorrectly
yordered ylens yhas ybeen ydispensed, ythe yrotational ymarks yshould ysettle yat
y_______.
a. y6 yo yclock
b. y10 yclockwise yrotation
c. y10 ycounter yclockwise yrotation
d. ynone yof ythe yabove y- ycorrect yanswers y-b. y10 yclockwise yrotation
An yinstrument ythat yallows ysimultaneous yverification yof ylens ydiameter, yoptic yzone
ywidth, yand yperipheral ycurve ywidth yis:
a. ymeasuring ymagnifier
b. yophthalmometer
c. yprofile yanalyzer
d. yradiuscope y- ycorrect yanswers y-a. ymeasuring ymagnifier
(the ybook ysays yd. yradiuscope)
The yinstrument yused yfor ymagnification yof ythe yedge yof ya yrigid yCL yis ya y_______.
a. yradiuscope
b. yshadowgraph
c. yprofile yanalysis
d. ykeratometer y- ycorrect yanswers y-b. yshadowgraph
Mary yis ywearing yin yher yright yeye yRGP ylens ywith ya ybase ycurve yof y43.50 yand ya
ypower yof y+2.75. yThe ydoctor yrefracts y-0.75 ysphere yover ythis ylens. yIf yyou ywish yto
yorder yher ya ynew ylens ywith ya ycurve yof y43.00, ywhat ywill ythe ynew ypower ybe?
a. y+1.50
b. y+2.00
c. y+2.50
d. y+3.00 y- ycorrect yanswers y-c. y+250
Which yof ythe yfollowing ycould ybe yconsidered yin ythe yfitting yof ya ykeratoconus
ypatient
1. yaspheric
2. yMcGuire
3. ySoper
4. ytangent ystreak
a. y1 y& y2
b. y2 y& y3
c. y3 y& y4
d. y1, y2 yand y3 y- ycorrect yanswers y-d. y1, y2 yand y3
ACCURATE SOLUTIONS
Assessment yof ythe yquality yof ythe yperipheral ycurves y(blends yof ya yrigid ycontact
ylens) yis yachieved yby ythe yuse yof ythe-
a. yprofile yanalyzer
b. yshadow ygraph
c. ykeratometer
d. yburton ylight y- ycorrect yanswers y-a. yprofile yanalyzer
Contact ylens ypower yshould ybe yspecified yin-
a. yback yvertex ypower
b. ysphero-cylinder ypower
c. ypower yin ysitu
d. yposterier yapical yradius y- ycorrect yanswers y-a. yback yvertex ypower
The yslit-lamp yillumination ythat ygives yan yoverall yview yof ythe ycornea ybut ylimits
ydetail yis-
,a. ysclerotic yscatter
b. ydiffuse
c. yspecular yreflection
d. yoscilatory y- ycorrect yanswers y-b. ydiffuse
When ya ykeratometric ymiers yreflected yoff ya ysoft ycontact ylens yare yonly yclear ywhen
ythe ywearer yblinks, ythe ylens yfit yis ytoo-
a. ysmall
b. ylarge
c. ysteep
d. yflat y- ycorrect yanswers y-c. ysteep
Transient ykeratometric ymier ydistortion yis yusually ydue yto-
a. ypre-ocular ytear yfilm yabnormalities
b. yprolonged yrigid ylens ywear
c. yprolonged ysoft ylens ywear
d. yirregular ycorneal yastigmatism y- ycorrect yanswers y-a. ypre-ocular ytear yfilm
yabnormalities
Epithelial yedema ywhich ymanifests yitself yclinically yas ycentral ycorneal yhaze, yis
yverified yby ythe yslit ylamp yusing ysclerotic yscatter yillumination. yWhat yspecific
ytechnique ydoes ythe yexaminer yuse yto ysee ythis ycondition?
a. ythe ynaked yeye yand yan yangle ybetween ythe yslit ylamp ybeam yand ythe yeye yof
y90˚
b. ythe yblue ycobalt yfilter yof ythe yslit ylamp yand yan yangle yof yabout y45˚
c. ythe ygreen yfilter yof ythe yslit ylamp ywith yhigh ymagnification
d. yhigh ymagnification yand yan yangle ybetween ythe ybeam yand yscope yof y180˚ y-
ycorrect yanswers y-a. ythe ynaked yeye yand yan yangle ybetween ythe yslit ylamp ybeam
yand ythe yeye yof y90˚
With ya yrigid ycontact ylens yin yplace ya yflourescein ypattern yshows ya ynarrow ybend
yhorizontally ywih ya yconcentration yof yflourescein yinferiorly yand ysuperiorly yunder ythe
ylens. yWhich yone yof ythe yfollowing ytype yof yastigmatism yis yrepresented yby ythis
ypattern?
a. ylenticular yastigmatism
b. yresidual yastigmatism
c. yagainst ythe yrule yastigmatism
d. ywith ythe yrule yastigmatism y- ycorrect yanswers y-d. ywith ythe yrule yastigmatism
Refractive yRx y-3.00 y-1.00 yx y170
K's y42.00 y@ y170/43.00 y@ y80
Given ythe yabove yRx yand yK's yhe yfollowing ydiagnostic ytoric ysoft ylens ywas yused:
B.C. y8.8
Power y-3.00 y-1.00 yx y180
During ydianostic yevalutation, ythe yabove ylens yrotated y10 yclockwise. yThe ylens
yordered yshould yhave yan yaxis yof:
, a. y10
b. y180
c. y170
d. y160 y- ycorrect yanswers y-b. y180
Given ythe ysame ycircumstances yfrom ythe yabove yquestion, yonce ythe ycorrectly
yordered ylens yhas ybeen ydispensed, ythe yrotational ymarks yshould ysettle yat
y_______.
a. y6 yo yclock
b. y10 yclockwise yrotation
c. y10 ycounter yclockwise yrotation
d. ynone yof ythe yabove y- ycorrect yanswers y-b. y10 yclockwise yrotation
An yinstrument ythat yallows ysimultaneous yverification yof ylens ydiameter, yoptic yzone
ywidth, yand yperipheral ycurve ywidth yis:
a. ymeasuring ymagnifier
b. yophthalmometer
c. yprofile yanalyzer
d. yradiuscope y- ycorrect yanswers y-a. ymeasuring ymagnifier
(the ybook ysays yd. yradiuscope)
The yinstrument yused yfor ymagnification yof ythe yedge yof ya yrigid yCL yis ya y_______.
a. yradiuscope
b. yshadowgraph
c. yprofile yanalysis
d. ykeratometer y- ycorrect yanswers y-b. yshadowgraph
Mary yis ywearing yin yher yright yeye yRGP ylens ywith ya ybase ycurve yof y43.50 yand ya
ypower yof y+2.75. yThe ydoctor yrefracts y-0.75 ysphere yover ythis ylens. yIf yyou ywish yto
yorder yher ya ynew ylens ywith ya ycurve yof y43.00, ywhat ywill ythe ynew ypower ybe?
a. y+1.50
b. y+2.00
c. y+2.50
d. y+3.00 y- ycorrect yanswers y-c. y+250
Which yof ythe yfollowing ycould ybe yconsidered yin ythe yfitting yof ya ykeratoconus
ypatient
1. yaspheric
2. yMcGuire
3. ySoper
4. ytangent ystreak
a. y1 y& y2
b. y2 y& y3
c. y3 y& y4
d. y1, y2 yand y3 y- ycorrect yanswers y-d. y1, y2 yand y3
