验光员定配工试题Optometrist.docx

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;