ABO Final Exam Questions and Answers (RATED A+)

ABO Final Exam Questions and Answers
(RATED A+)
Thesextra-
ocularsmusclessaresinsertedsintosthessclerasandsservestosrotatestheseyesinsallspossiblesdirecti
ons.sTheresares_______ofsthesesmuscles.s-sSix

Thesfibrousstunicsisscomprisedsofsthe:s-sSclerasandscornea

Fusionsoccurs:s-sInsthesbrain

Thesaqueoussfluidsisscontinuallysbeingsmanufacturedsby:s-sThesciliarysbody

Thesabilitysofstheseyestosbringsobjectssofsvaryingsdistancesstosfocussonsthesretinasissknownsas
:s-sAccommodation

Whensaccommodationsissatsrest,srayssofslightsfromsasdistantssourcescomestosfocussbehindsthe
sretina.sThissconditionsissknownsas:s-sHyperopia



Impulsessarescarriedsfromsthesretinastosthesbrainsalongsthe:s-sOpticsnerve

Thatsareasofsthesretinascapablesofsperceivingsthesgreatestsamountsofsdetailsis:s-
sFoveascentralis



Thesaveragescorneashassasrefractivespowersofsapproximately:s-s43sdiopters

Theslayersofsthescorneaswhichsisshighlysregenerativesis:s-sThesepithelium

Nightsvisionsisschieflysasfunctionsofsthe:s-sRods

Astendencysofsthesvisualsaxisstosdeviatesinwardswhilestheseyessaresinsaspositionsofsrestsisskno
wnsas:s-sEsophoria

As"farsighted"seyesissonesthatsis:s-sHyperopic

Thestermsusedstosindicates"doublesvision"sis:s-sDiplopia

Thesconditionsinswhichsthesabilitystosaccommodatesforsnearsvisionsbecomessinadequatesbec
ausesofslosssofselasticitysofsthescrystallineslenssisscalled:s-sPresbyopia

Whenstheresissaslosssofsvisionswithoutsanysapparentsdiseasesofstheseyesitsissknownsas:s-
sAmblyopia

,Asrefractiveserrorsinswhichsthesrayssofslightsdosnotscomestosassinglespointsofsfocussisscalled:s-
sAstigmatism



Thesconditionsinswhichsthescrystallineslenssofstheseyesgraduallyslosessitsstransparencyswithsc
onsequentslosssofsvisualsacuitysissknownsas:s-sCataract

Ansocularsdiseaseshavingsassitssprimaryscharacteristicsassustainedsincreasesinsintraocularspr
essure.s-sGlaucoma

Thesspacesbetweensthesfrontsofsthesirissandsthesinnermostsportionsofsthescorneas(thesendoth
elium),sthissspacesissfilledswithsaqueous.s-sAnteriorschamber

Astendencysofsoneseyestosdeviatesupwardsis:s-sHyperphoria

Theslayersofsthescorneaswhichscomprisessninetyspercentsofsitssthicknesssis:s-sThesstroma

Asconditionsinswhichsthesrefractiveserrorsofsoneseyessignificantlysdifferssfromsthatsofsthesoth
ersandswheresbothseyesshavesthessamessigns(i.e.sbothseyessaresmyopicsorshyperopic)sissknow
nsas:s-sAnisometropia

Thesrefractiveserrorswhichsresultssinstwospointssofsfocussfallingsbehindsthesretinasis:s-
sCompoundshyperopicsastigmatism



Thesrefractivesconditionscausedsbysasdamagedscorneassosthatsrayssofslightscomestosmanysfoc
alspointssonsthesretinasissknownsas:s-sIrregularsastigmatism

Thesindexsofsrefractionsofsthescrystallineslenssis:s-s1.42

Thesindexsofsrefractionsofsthescorneasis:s-s1.37

Myopiasmeansstheseye
A.sissnearsighteds
B.shassdistancesblurs
C.srequiressas(-)sminusslenss
D.sallsofsthesaboves-sD.sallsofsthesabove

ThesRetinascontainss
A.slabstools
B.slenssinformations
C.slightsreceptorss
D.sunderstocksofsframess-sC.slightsreceptors

Hyperopicspeopleshavesdifficultysseeings
A.sdistancesobjectss
B.snearsobjectss
C.severything

,D.snothings-sB.snearsobjects

Howsmanysrangessofsvisionsdosbifocalssprovide?
A.sone
B.sThree
C.sTwos
D.sInfinites-sC.sTwo

Thestopsportionsofsasbifocalsallowsswearersstossee:s
A.sobjectssinsthesdistances
B.sas&sc
C.sobjectssbeyondsarm'sslengths
D.sobjectssupstos18sinchess-sB.sas&sc

Characteristicssofsaspluss(+)slenssinclude:s
A.sthinscenter
B.sminifiessobjectss
C.sconvergesslightsrayss
D.scorrectssmyopias-sC.sconvergesslightsrays

Polycarbonateslenssmaterialsis:s
A.sheavys
B.stintables
C.smostsimpactsresistantsmaterials
D.stotallysscratchsresistants-sC.smostsimpactsresistantsmaterial

Whichsofsthesfollowingswouldsbesconsideredsaslenssenhancement?s
A.spolycarbonates
B.santi-reflectivescoatings
C.sprogressives
D.sthinscenters-sB.santi-reflectivescoating

Ultravioletsprotections(UV)sissnotsimportantstos
A.schildrens
B.swomens
C.selderlyspatientss
D.snonesofsthesaboves-sD.snonesofsthesabove

Thesfollowingsinformationsissrequiredsonsaswrittensprescription:
A.sdoctor'ssname
B.sdoctor'sssignature
C.sdates
D.sallsofsthesaboves-sD.sallsofsthesabove

Thesfrontssurfacesofslensesscansbesmeasuredsusingsas____________.s-
sLenssclocks(Genevaslenssmeasurer).

, Highsplusslensesswillsproduces_________________sdistortionswhileshighsminusslensesswillsproduc
es_____________sdistortion.s-sPinscushionsandsbarrel.

Thesunitsofsmeasurementsforsaswavelengthsofslightsisscalleds_____________.s-sNano-meterss(nm)

Thesspeedsatswhichslightstravelssiss______________,swhiles_______________srefersstosthesnumbersofs
wavesvibrationssperssecond.s-sVelocity,sFrequency.

GivestheswavelengthsrangesforsUVA:s__________sUVB:s__________sUVC:s___________.s-sUVA:s315-
380snm
UVB:s290-315snm
UVC:s210-290snm

Wavelengthssinsthes______________scoloredspartsofsthesspectrumsaresthoughtstosprovidesthescle
arestsvision.s-sGreen

Thesfocalslengthsofsas.50sDslenssiss_________________.s-s2smeters.

Theresares_________________smillimeterssinsonesmeter.s-sOnesthousand

Thescolorsinsthesvisiblesspectrumswithsthesshortestswavelengthsiss_________________.s-sViolet

Wavelengthssthatsares"insphase"sproduce:
A.sdestructivesinterferences
B.shighsfrequenciess
C.sasbigsreflections
D.snosreflections-sC.sasbigsreflection

Anti-reflectivescoatingscausessans______________ssituation.s-
soutsofsphases(destructivesinterference)



Minusslensesscombinesprisms:s
A.sbasestosbase
B.sapexstosapex
C.sapexstosbase
D.sfrontstosbakcs-sB.sapexstosapex

Characteristicssofsasplusslenssinclude:s
A.s"withsmotion"s
B.srealsfocalspoints
C.sconcavesinsshape
D.sstrengthenssassvertexsshortenss-sB.srealsfocalspoint