NCLE TEST QUESTIONS WITH THE APPROPRIATE ANSWERS
UPDATED
Assessmentnofnthenqualitynofnthenperipheralncurvesn(blendsnofnanrigidncontactnlens)nisnac
hievednbynthenusenofnthe-
a.nprofilenanalyzer
b.nshadowngraph
c.nkeratometer
d.nburtonnlightn-na.nprofilenanalyzer
Contactnlensnpowernshouldnbenspecifiednin-
a.nbacknvertexnpower
b.nsphero-cylindernpower
c.npowerninnsitu
d.nposteriernapicalnradiusn-na.nbacknvertexnpower
Thenslit-lampnilluminationnthatngivesnannoverallnviewnofnthencorneanbutnlimitsndetailnis-
a.nscleroticnscatter
b.ndiffuse
c.nspecularnreflection
d.noscilatoryn-nb.ndiffuse
Whennankeratometricnmiersnreflectednoffnansoftncontactnlensnarenonlynclearnwhennthenwe
arernblinks,nthenlensnfitnisntoo-
a.nsmall
b.nlarge
c.nsteep
d.nflatn-nc.nsteep
Transientnkeratometricnmierndistortionnisnusuallynduento-
a.npre-ocularntearnfilmnabnormalities
b.nprolongednrigidnlensnwear
c.nprolongednsoftnlensnwear
, d.nirregularncornealnastigmatismn-na.npre-ocularntearnfilmnabnormalities
Epithelialnedemanwhichnmanifestsnitselfnclinicallynasncentralncornealnhaze,nisnverifiednbyn
thenslitnlampnusingnscleroticnscatternillumination.nWhatnspecificntechniquendoesnthenexa
minernusentonseenthisncondition?
a.nthennakedneyenandnannanglenbetweennthenslitnlampnbeamnandntheneyenofn90˚
b.nthenbluencobaltnfilternofnthenslitnlampnandnannanglenofnaboutn45˚
c.nthengreennfilternofnthenslitnlampnwithnhighnmagnification
d.nhighnmagnificationnandnannanglenbetweennthenbeamnandnscopenofn180˚n-
na.nthennakedneyenandnannanglenbetweennthenslitnlampnbeamnandntheneyenofn90˚
Withnanrigidncontactnlensninnplacenanflouresceinnpatternnshowsnannarrownbendnhorizontal
lynwihnanconcentrationnofnflouresceinninferiorlynandnsuperiorlynundernthenlens.nWhichnon
enofnthenfollowingntypenofnastigmatismnisnrepresentednbynthisnpattern?
a.nlenticularnastigmatism
b.nresidualnastigmatism
c.nagainstnthenrulenastigmatism
d.nwithnthenrulenastigmatismn-nd.nwithnthenrulenastigmatism
RefractivenRxn-3.00n-1.00nxn170
K'sn42.00n@n170/43.00n@n80
GivennthenabovenRxnandnK'snhenfollowingndiagnosticntoricnsoftnlensnwasnused:
B.C.n8.8
Powern-3.00n-1.00nxn180
Duringndianosticnevalutation,nthenabovenlensnrotatedn10nclockwise.nThenlensnorderednsh
ouldnhavenannaxisnof:
a.n10
b.n180
c.n170
d.n160n-nb.n180
Givennthensamencircumstancesnfromnthenabovenquestion,noncenthencorrectlynorderednle
nsnhasnbeenndispensed,nthenrotationalnmarksnshouldnsettlenatn_______.
a.n6nonclock
b.n10nclockwisenrotation
c.n10ncounternclockwisenrotation
d.nnonenofnthenaboven-nb.n10nclockwisenrotation
Anninstrumentnthatnallowsnsimultaneousnverificationnofnlensndiameter,nopticnzonenwidth,n
andnperipheralncurvenwidthnis:
a.nmeasuringnmagnifier
b.nophthalmometer
c.nprofilenanalyzer
d.nradiuscopen-na.nmeasuringnmagnifier
(thenbooknsaysnd.nradiuscope)
TheninstrumentnusednfornmagnificationnofnthenedgenofnanrigidnCLnisnan_______.
a.nradiuscope
b.nshadowgraph
c.nprofilenanalysis
UPDATED
Assessmentnofnthenqualitynofnthenperipheralncurvesn(blendsnofnanrigidncontactnlens)nisnac
hievednbynthenusenofnthe-
a.nprofilenanalyzer
b.nshadowngraph
c.nkeratometer
d.nburtonnlightn-na.nprofilenanalyzer
Contactnlensnpowernshouldnbenspecifiednin-
a.nbacknvertexnpower
b.nsphero-cylindernpower
c.npowerninnsitu
d.nposteriernapicalnradiusn-na.nbacknvertexnpower
Thenslit-lampnilluminationnthatngivesnannoverallnviewnofnthencorneanbutnlimitsndetailnis-
a.nscleroticnscatter
b.ndiffuse
c.nspecularnreflection
d.noscilatoryn-nb.ndiffuse
Whennankeratometricnmiersnreflectednoffnansoftncontactnlensnarenonlynclearnwhennthenwe
arernblinks,nthenlensnfitnisntoo-
a.nsmall
b.nlarge
c.nsteep
d.nflatn-nc.nsteep
Transientnkeratometricnmierndistortionnisnusuallynduento-
a.npre-ocularntearnfilmnabnormalities
b.nprolongednrigidnlensnwear
c.nprolongednsoftnlensnwear
, d.nirregularncornealnastigmatismn-na.npre-ocularntearnfilmnabnormalities
Epithelialnedemanwhichnmanifestsnitselfnclinicallynasncentralncornealnhaze,nisnverifiednbyn
thenslitnlampnusingnscleroticnscatternillumination.nWhatnspecificntechniquendoesnthenexa
minernusentonseenthisncondition?
a.nthennakedneyenandnannanglenbetweennthenslitnlampnbeamnandntheneyenofn90˚
b.nthenbluencobaltnfilternofnthenslitnlampnandnannanglenofnaboutn45˚
c.nthengreennfilternofnthenslitnlampnwithnhighnmagnification
d.nhighnmagnificationnandnannanglenbetweennthenbeamnandnscopenofn180˚n-
na.nthennakedneyenandnannanglenbetweennthenslitnlampnbeamnandntheneyenofn90˚
Withnanrigidncontactnlensninnplacenanflouresceinnpatternnshowsnannarrownbendnhorizontal
lynwihnanconcentrationnofnflouresceinninferiorlynandnsuperiorlynundernthenlens.nWhichnon
enofnthenfollowingntypenofnastigmatismnisnrepresentednbynthisnpattern?
a.nlenticularnastigmatism
b.nresidualnastigmatism
c.nagainstnthenrulenastigmatism
d.nwithnthenrulenastigmatismn-nd.nwithnthenrulenastigmatism
RefractivenRxn-3.00n-1.00nxn170
K'sn42.00n@n170/43.00n@n80
GivennthenabovenRxnandnK'snhenfollowingndiagnosticntoricnsoftnlensnwasnused:
B.C.n8.8
Powern-3.00n-1.00nxn180
Duringndianosticnevalutation,nthenabovenlensnrotatedn10nclockwise.nThenlensnorderednsh
ouldnhavenannaxisnof:
a.n10
b.n180
c.n170
d.n160n-nb.n180
Givennthensamencircumstancesnfromnthenabovenquestion,noncenthencorrectlynorderednle
nsnhasnbeenndispensed,nthenrotationalnmarksnshouldnsettlenatn_______.
a.n6nonclock
b.n10nclockwisenrotation
c.n10ncounternclockwisenrotation
d.nnonenofnthenaboven-nb.n10nclockwisenrotation
Anninstrumentnthatnallowsnsimultaneousnverificationnofnlensndiameter,nopticnzonenwidth,n
andnperipheralncurvenwidthnis:
a.nmeasuringnmagnifier
b.nophthalmometer
c.nprofilenanalyzer
d.nradiuscopen-na.nmeasuringnmagnifier
(thenbooknsaysnd.nradiuscope)
TheninstrumentnusednfornmagnificationnofnthenedgenofnanrigidnCLnisnan_______.
a.nradiuscope
b.nshadowgraph
c.nprofilenanalysis
