NCLE PRACTICE TEST PRACTICAL EXAM QUESTIONS WITH CORRECT ANSWERS

NCLE PRACTICE TEST PRACTICAL
EXAM QUESTIONS WITH CORRECT
ANSWERS
Steep cFluorescein cPattern c- ccorrect canswers✔✔Bright cgreen cpooling ccenter, cvery cfaint
cgreen cpooling con cdiameter cof clens




Flat cFluorescein cPattern c- ccorrect canswers✔✔Bright cgreen cpooling con cdiameter cof clens,
cvery cfaint cgreen cin ccenter




Against-the-rule cAstigmatism cPattern c- ccorrect canswers✔✔Bright cgreen cpooling
chorizontally, cfaint cgreen cpooling cvertically




With-the-rule cAstigmatism cPattern c- ccorrect canswers✔✔Bright cgreen cpooling cvertically,
cfaint cgreen cpooling chorizontally




Prism cBallast c- ccorrect canswers✔✔Common ctechnique cto cstabilize clens cfrom crotating.
cAdded cthickness cwill cposition clens cinferiorly c(bottom cof ccornea)




Truncation c- ccorrect canswers✔✔Cutting coff c.50mm cto c1.50mm cof cbottom cedge cof clens
cto cprovide cstability. cReduces cdiameter, cmaking ca clooser cfit.




Double cSlab-off c- ccorrect canswers✔✔Lens cis cthicker ccentrally cand cthinner cat ctop cand
cbottom cof clens. cProvides ccomfort cto cwearer, cbut cmay ccause csome cstability cissues.




Aspheric cLens cDesign c- ccorrect canswers✔✔

Hyperflange c- ccorrect canswers✔✔Used cto ccorrect chigh criding cminus clenses.

Myoflange c- ccorrect canswers✔✔Used cto ccorrect clow criding cplus clenses.

Monovision c- ccorrect canswers✔✔Corrects cpresbyopia cin ccontact cwearers. cOne ceye
cuses cdistance c(dominant) cand cthe cother ceye cuses creading c(resessive)




Segment cBifocal c- ccorrect canswers✔✔Same cconcept cas cspectacle cbifocal. cMust cbe
cprism cballast. cOften ccrescent cshaped.




Toric cLenses c- ccorrect canswers✔✔Anterior c(front csurface), cback cspherical csurface cor
cposterior c(back csurface), ctoric cback ccurve




Front cToric cLens c- ccorrect canswers✔✔Corrects ca clow cto cmoderate camount cof ccorneal
castigmatism

, Back cToric cLens c- ccorrect canswers✔✔Corrects ca cmid cto chigh camount cof ccorneal
castigmatism




Bitoric cLens c- ccorrect canswers✔✔Corrects c1.50D cof ccorneal castigmatism cand chigh
cresidual castigmatism




Aphakic c- ccorrect canswers✔✔Condition cof cno ccrystalline clens

Psuedophakic c- ccorrect canswers✔✔Implant, cintraocular clens

Corneal cEdema c- ccorrect canswers✔✔Always ccauses ca cpoor cfitting clens

Spectacle cBlur c- ccorrect canswers✔✔Temporary cblurred cvision cupon cswitching cfrom
ccontact clenses cto ceyeglasses




Crystalline cLens c- ccorrect canswers✔✔The cmain cfocusing cmechanism cof cthe ceye

The cMain cSupply cof cOxygen cto cthe ccornea cis cprovided cby c- ccorrect canswers✔✔Tear
cFilm




Keratometry cmires cwhich care conly cclear cwhen cthe cwearer cblinks care cindicative cof ca c-
ccorrect canswers✔✔Steep cFit




Keratometry cmires cwhich cblur cimmediately cfollowing cblink care cindicative cof ca c- ccorrect
canswers✔✔Flat cFit




A crigid ccontact clens cshows ca cflourescein cpattern cinferiorly cand csuperiorly cbeneath cthe
clens. cThis cis cindicative cof cwhich ctype cof castigmatism c- ccorrect canswers✔✔With-the-rule




A cbi-toric crigid clens cwill cshow c- ccorrect canswers✔✔Two cbase ccurves con cthe cradiuscope,
csphero-cylindrical crx con cthe clensometer




The cANSI ctolerance cfor ca csoft clens cdiameter cis c- ccorrect canswers✔✔±0.25

The cANSI ctolerance cfor ca csoft clens crefractive cpower con ca cRx c5.12D cto c10.00D c- ccorrect
canswers✔✔±0.18




The cANSI ctolerance cfor cRGP cBase cCurve cis c- ccorrect canswers✔✔±0.05mm

The cANSI ctolerance cfor cRGP clens cdiameter cis c- ccorrect canswers✔✔±0.05mm

Which cinstrument callows csimultaneous cverification cof clens cdiameter, coptic czone cwidth,
cand cperipheral ccurve c- ccorrect canswers✔✔Radiuscope




Which cinstrument cis cbest cto cobserve cthe cblends cof crigid ccontact clens c- ccorrect
canswers✔✔Profile cAnalyzer