验光员定配工试题Optometrist.docx
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验光员定配工试题Optometrist
验光员、定配工试题(Optometrist)
Optometrist
Name,unit,passnumber,score
Fillintheblanks(15points)
1.Thefrontsurfaceofthecorneaisaconvexopticalinterface,andthebackofthecorneaisfilledwithaqueoushumor,formingaconvexlensstructure.Thecorneaishistologicallydividedinto5layers
2becauseofthepersistentcompressionoftheupperandlowereyelids,theastigmatismintheverticaldirectionofthecorneacanbestronger,
Physiologicastigmatism.
3.Thecentralcornealthicknessis0.5--0.55mm
4,
5,theaxiallengthofabout24mm,thetotalrefractivepoweroftheeye(stationary)about+58D.
6.Lookatthelightatthe33cm,observethecornealreflex,andifthespotisonthecentralsideofthecornea,
Forthepositivekappaangle,atthecentraltemporalside,thenegativekappaangle.
7.Myopia,whentheeyeisstationary,parallelraysarefocusedinfrontoftheretinabyrefractionoftheeyes.
8,visualacuitycriteria:
identification0.1~0.4chart,eachmark(inarow)cancorrectlyidentifythevisualacuity,countby0.5~0.6;identifythechartasthestandard,eachlinesignareallowed1.Still,thebankby0.7~1;identifythechartasthestandard,eachlinesignareallowed2wrong,stillthroughtherow.
9,inthelightofretinoscopyreflectedfourelementsaretrends,speed,brightnessandshape.
10,contactlensesonthefirstdaywear4hours,seconddaystoextend2hours
Two,multiple-choicequestions(15points)
1,tearis(B)A,neutral,B,slightlyalkaline,C,acidic,D,alkaline.
2.Extraocularmusclesarecommon(C)
A,4;B,5;C,6;D,8.
3.Thediopter1/4isrepresentedby(A)
A,1/4D,B,1/8D,C,1/2D,D,neither.
4,eyesclose,lensciliarymusclecontraction,whatkindofchanges?
(A)
Aandthicken;
Bandthinning;
Candnochange;D,notnecessarily.
5.Inrefractivecalculation,theunitoffocallengthisused
(C)
A,mm;B,cm;C,m;D,ft.
6.Lookattheobjectthroughtheprismandmovetheobjectinwhichdirection(A)
A,thetopoftheprism;B,prismbottom;C,prismleftandrightdirection;D,nochange.
Inthe7andthreeprismcalculations,themovingdistanceisusedinunits(B)
Amm;B,cm;C,m;D,inch.
8,thefarpointoftheeyeisinfinite,thenearpointis10cm,andtherangeisB
A,1D,B,10D,C,5D,D,11D.
9,whenthedifferencebetweenthetwoeyes,whenthedifferenceismorethan,knownasanisometropia.(A)
A,2.50D,B,2.00D,C,1.50D,D,3.00D.
10,wheneyesightexamination,fareyesightislessthan1,near
visionisnormal,shouldbewhichofthefollowingsituations?
(D)
A,myopia,B,hyperopiaeyes,C,eyes,Dmyopiaorcomplexmyopicastigmatism.
11,nearvisualinspection,theinspectiondistancerequirements(D)
A,33cm;B,20cm;C,greaterthan10cm;D,withoutrestriction.
12,thefirstcontactlenswearers,forthefirsttimeafterwearingafewdaystoreview.(C)
Aand2days;
Band5days;
Cand7days;
Dand15days.
13,inthemeasurementofnearPD,howmuchisthegeneraldistance?
(D)
A,10~15cm;B,15~20cm;C,20~30cm;D,30~40cm.
14,glassesmirroreyedistanceisgenerallydeterminedtobehowmuch?
(B)
A,10mm;B,12mm;C,16mm;D,20mm.
15,theuseofcrosscolumnmirrorfineaxisposition,thehandleshouldbealigned(A)
A,cylindricalmirroraxial;B,andaxialopposite;C,
independent;D,adifferenceof5degrees.
Three,determinethetitle(tick,Xinparentheses)(15)
1,blinkcankeepcontactlenseswetclean,thelensandcorneahavegoodadhesion.(V)
2.Thedistancebetweentheopticcenterandtheloweredgeofthepupilisneartheheightoftheopticcenternearthemarginofthelowereyelid.(V)
3.Whenthelightisstrong,theconstrictorintheiriscontracts,thepupilexpands,andthepupilbecomessmallerwhenthelightisdim.(x)
4,thelightcomingfromdifferentdirectionsdoesnotaffecteachother,butitstillmovesinitsowndirection.(V)
5,itisthereallensimaging,negativelensimagingforvirtualimage.(V)
6,eyeaxis(axis)andthelineofsightisonething.(x)
7,theaccommodativeforceoftheeyeisconsistentwiththeconvergenceforce;thenearsightednessandhyperopiaareincompatible.(V)
8,undernormalcircumstances,theuppereyelidabout1to2mmoftheupperedgeofthecornea.(V)
9,tearexamination,tearsecretionnormal,5minuteslater,
filterpapercanbesoaked10~15mm.Lessthan5mmisanexception.(V)
10,distantvisionmeasurement,thedistanceis5meters,thesideeyecansquint.(x)
11,computeroptometryresultscanbedirectlyusedasprescriptionglasses.(x)
12,adistanceof1metersintheretinoscopy,reverse,preliminaryjudgmentformorethan1.00Dofmyopia.(V)
13,mildcornealinjury,doesnotaffectthewearingofcontactlenses.(V)
14,wearcontactlensesafteritching,maybecomplicatedbygiantpapillaryconjunctivitis,muststopwearingtreatment.(V)
15,myopiacorrectedto1aftervision,redgreentestresultsareredstandardclearly,indicatingmyopialessthancorrection.(V)
Four,Janeanswer(25points)
1.Describethelightthroughwhichmediareachestheretina.
Answer:
cornea,aqueoushumor,lens,vitreousbody,retina.
2.Whatisastigmatism?
Whentheeyeadjustmentwhenstationary,parallellightthroughtherefractivesystem,duetothedifferentrefractivemeridian,resultingindifferentdegreeofdispersion,soitcannotbeclusteredintofocusontheretina,buttheformationofthetwofocallinesatdifferentdistances,representsthedegreeofastigmatismdistanceoftwofocallinebetween.Becausetheretinapresentsonlyaclusterofringsoraline,sothepatientregardlessofthedistancebetweentheobjectsareblurred.
3,thedistancemeasurementprocessofpupils.
Rulermethod:
1)andtheexamineeisinthenearworkingdistance,theexamineelefteyeshouldbefacingtheexamineebotheyesbetween.2)subjectswerebotheyesfixedonthelefteyeoftheexaminer.3)thehorizontaldirectionoftherulerisattachedtothenoseofthesubject,anditissimilartothedistancefromtheeyetotheeye.4)theexaminerclosedhisrighteye,
Inthelefteyegaze,therulerzeroalignmentoftherightedgeofthepupil.5)lookatthesubjectoftheleftpupiledgerulerscalefornearvisionipd.
4,briefdescriptionoftheeyeappearance,includingwhat?
Eyepositionexamination,eyemovementandeyemovement,strabismus,examinationofeyelids,skin,conjunctiva,colorandotherpathologicalchanges,andexaminationoftearspots.Checkforcornealdamage,pupilsize,symmetry,aqueoushumorandlensopacity,andconjunctivallesions.
5.Brieflydescribethemethodandprocedureofthearrangement.(theoptometristdoesnotdoit)
Analysisofprescription;Article;pupildistance;determinetheframecollectioncenter;measuringlensfocimeter,determinetheprocessingcenter,makingtemplate;edgedetection;assembly;;shapingandrigging.
Five,calculationquestions(35points)
1.Thefocallengthofapositivelensis1meters.Howmuchisthediopterofthislens?
1.00D
2,thejointandconversionofsphericalprism(1pointspersubject)
-2.00D.Scombinedwith4.50D.Sresults?
-1.00*180*1805.25combinedresults?
1.00/0.50*90*90-1.75/-1.25combinedresults?
2.50*90*1802.00combinedresults?
-2.50/-1.50*90*180-3.00/1.00combinedresults?
Howmuchis3,F=4.00D.S.glassesopticalcenter3mmatthetopofthethreeprism?
Whatdirectionisthebottomofthethreeprism?
1.2,adownward
4,atadistanceof1meterswhentheneutralpointissubjectedtothe3.25lens,theeyedioptershouldbehowmuch?
4--4.25D;;
5.Theprescriptionforrefractiveexaminationis5.25/-1x90.Howmanylensesshouldbechosen?
5--5.25D
6,56-14-140framesareknown,whatisthedistancefromthecenterofthelevelfortheframe?
(theoptometristdoesnotdoit)
6,70mm;
7,54-16-140framesknownas62mm,findthenumberofPD,theleveloftheheart?
(theoptometristdoesnotdoit)
7,4mm;