Certified Ophthalmic Assistant (COA) Study Guide – JCAHPO EXAM QUESTIONS WITH CORRECT

CERTIFIED OPHTHALMIC ASSISTANT (COA) STUDY
GUIDE – JCAHPO EXAM QUESTIONS WITH
CORRECT ANSWERS RATED A+
WhenOreadingOaddOpowerOonOtheOlensometerOtakeOtheOdifferenceObetweenOtheOtripleOlineOtargetO
distanceOreadingOandOtheO_____.

A.OSingleOlineOdistanceOreading

B.OTripleOlineObifocalOreading

C.OSingleOlineObifocalOreading

D.OZeroOpointO-OCORRECTOANSWERSB.OTripleOlineObifocalOreading



WhatOisOaOyellowOtopOonOeyeOdropsOfor?

A.OCarbonicOanhydraseOinhibitors

B.OProstaglandinOanalogues

C.OBeta-blockers

D.OCycloplegicsO-OCORRECTOANSWERSC.OBeta-blockers

*OCanOalsoObeOlightOblue!

*OUsedOtoOtreatOglaucoma;OitOhelpsOtoOdecreaseOtheOproductionOofOaqueousOhumorOandOreduceOI
OP

*OExamples:O

-OTimolol

-OLevobunolol

-OBetaxololO(lightOblueOtop)



TheOpurposeOofOkeratometryOisOtoOmeasure:O-
OCORRECTOANSWERSTheOcurvatureOofOtheOanteriorOcornealOsurface

,AnOeyeOalignmentOdeviationOthatOisOnotOpresentOunlessOfusionOisOdisruptedOisOcalledOa:O

A.OPhoria

B.OTropia

C.OHyperOdeviation

D.OEsoOdeviationO-OCORRECTOANSWERSA.OPhoria

*OTropiaOandOPhoriasOareOtermsOtoOdescribeOwhenOtheOeyesOareOnotOinOalignmentOwithOeachOothe
r

*OAOtropiaOisOalwaysOpresent,OwhileOphoriasOareOthereO"someOofOtheOtime,"OsuchOasOwhenOtheOpat
ientOisOtiredOorOwhenOfusionOisObrokenO(youOcoverOanOeyeOandOitOstartsOtoOdrift).



TheOendpointOofOtheOMaddoxORodOtestOoccursOwhen:O

A.OTheOredOdotOisOsuperimposedOonOtheOlight

B.OTheOredOlineOgoesOthroughOtheOlight

C.OTheOredOlineOdisappears

D.OTheOredOlineOisOaboveOtheOlightO-OCORRECTOANSWERSB.OTheOredOlineOgoesOthroughOtheOlight



AOconditionOinOwhichObloodOhasOsettledOinOtheObottomOhalfOofOtheOanteriorOchamberOofOtheOeyeOi
sOcalledOa:O

A.OSubconjunctivalOhemorrhage

B.OPinkOeye

C.OHyphema

D.OGlaucomaO-OCORRECTOANSWERSC.OHyphema

*OAOsubconjunctivalOhemorrhageOwillOonlyOinvolveOtheOwhiteOofOtheOeye,OnotOtheOcenter,OandOwill
OtypicallyOhaveOnoOpainOassociatedOwithOit



*OAOhyphemaOwillOonlyOaffectOtheOcenterOofOtheOeye,ObehindOtheOcornea,OandOwillOusuallyOhaveOp
ainOandOadditionalOsymptomsOassociatedOwithOit

,AnOoutwardOdeviationOofOtheOeye(s)OisOa(n)O____OandOanOinwardOdeviationOofOtheOeye(s)OisOcalledO
a(n)O______.

A.OEsodeviationO/OExodeviation

B.OEsophoriaO/OExophoria

C.OExodeviationO/OEsodeviation

D.OExophoriaO/OEsophoriaO-OCORRECTOANSWERSC.OExodeviationO/OEsodeviation

*OEsotropiaOmeansOthatOoneOeyeOisOdeviatedOinwardOandOisOoftenOcalledOcrossedOeyesO

*OExotropiaOisOwhenOoneOorObothOeyesOlookOoutward,OoftenOcalledOwall-eyedO

*OAOtropiaOisOalwaysOpresent,OwhileOphoriasOareOthereO"someOofOtheOtime".



KineticOperimetryOmeansOthatOtheOlightOstimulusOis:O

A.OMovingOfromOanOareaOofOnon-seeingOtoOanOareaOofOpresumedOseeing

B.OAOstimulusOthatOisOpresentedOtoOtheOpatientObutOnotOmoved

C.OAOsituationOinOwhichOvisualOfieldsOareOperformedOwithoutOeitherOeyeObeingOoccluded

D.OTheOstimulusOisOjiggledOslightlyOsoOtheOpatientOcanOseeOitO-
OCORRECTOANSWERSA.OMovingOfromOanOareaOofOnon-seeingOtoOanOareaOofOpresumedOseeing



*OTheOtwoOmostOcommonlyOusedOtypesOofOperimetryOareOGoldmannOkineticOperimetryOandOthres
holdOstaticOautomatedOperimetry



WhatOisOtheOnameOofOtheOconditionOwhereOaOfibrovascularOgrowthOformsOonOtheOconjunctivaOtoOa
OportionOofOtheOcornea?O



A.OPterygium

B.OPinguecula

C.OExteration

D.OEntropionO-OCORRECTOANSWERSA.OPterygium

*OAOpingueculaOisOcharacterizedObyOaOyellowishOraisedOgrowthOonOtheOconjunctivaOtypicallyOatOthe
OnasalOorOtemporalOconjunctivaOnearOtheOedgeOofOcornea

, *OPterygiumOisOtheOtriangularOshapeOofOvascularizedOconjunctivalOtissueOonOtheOcorneaOandOitOinv
adesOtheOcorneaO(knownOasOfibrovascularOinvasionOofOtheOcornea)



ForwardOdisplacementOofOtheOeyeOinOit'sObonyOsocketOcausingOtheOeyeOtoObulgeOforwardOisOterme
d:

A.OExophthalmos

B.ONeoplasia

C.OBuphthalmos

D.OExophasiaO-OCORRECTOANSWERSA.OExophthalmos

*OExophthalmosOisOaOnormal-sizedOglobeOthatOisObeingOpushedOforwardObyOaOspace-
occupyingOlesionOinOtheOorbit.

*OBuphthalmosOisOaOnormally-
positionedOglobeOthatOisOenlargedOdueOtoOelevatedOintraocularOpressure,Oi.e.,Oglaucoma



_____OisOtheOdistanceOfromOtheOfrontOsurfaceOofOtheOcorneaOtoOtheObackOsideOofOaOlensOthatOisOmo
untedOinOaOframeOandObeingOwornObyOtheOpatient.

A.OBackOvertex

B.OLensOvertex

C.OVertexOdistance

D.OFrontOvertexO-OCORRECTOANSWERSC.OVertexOdistance



AOnon-contactOlensOtoOexamineOtheOmaculaOis:O

A.OGoniolens

B.OHrubyOlens

C.OKoeppeOlens

D.OMaddoxOlensO-OCORRECTOANSWERSB.OHrubyOlens

*OItOisOheldOimmediatelyOinOfrontOofOtheOcorneaOandOformsOaOvirtual,Oerect,OandOminifiedOimageOof
OtheOretina