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1、验光员、定配工试题（Optometrist）OptometristName,unit,passnumber,scoreFillintheblanks(15points)1.Thefrontsurfaceofthecorneaisaconvexopticalinterface,andthebackofthecorneaisfilledwithaqueoushumor,formingaconvexlensstructure.Thecorneaishistologicallydividedinto5layers2becauseofthepersistentcompressionofth
2、eupperandlowereyelids,theastigmatismintheverticaldirectionofthecorneacanbestronger,Physiologicastigmatism.3.Thecentralcornealthicknessis0.5--0.55mm4,5,theaxiallengthofabout24mm,thetotalrefractivepoweroftheeye(stationary)about+58D.6.Lookatthelightatthe33cm,observethecornealreflex,andifthespoti
3、sonthecentralsideofthecornea,Forthepositivekappaangle,atthecentraltemporalside,thenegativekappaangle.7.Myopia,whentheeyeisstationary,parallelraysarefocusedinfrontoftheretinabyrefractionoftheeyes.8,visualacuitycriteria:identification0.1~0.4chart,eachmark(inarow)cancorrectlyidentifythevisualacu
4、ity,countby0.5~0.6;identifythechartasthestandard,eachlinesignareallowed1.Still,thebankby0.7~1;identifythechartasthestandard,eachlinesignareallowed2wrong,stillthroughtherow.9,inthelightofretinoscopyreflectedfourelementsaretrends,speed,brightnessandshape.10,contactlensesonthefirstdaywear4hours,
5、seconddaystoextend2hoursTwo,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?
6、(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.Inthe7andthreeprismca
7、lculations,themovingdistanceisusedinunits(B)Amm;B,cm;C,m;D,inch.8,thefarpointoftheeyeisinfinite,thenearpointis10cm,andtherangeisBA,1D,B,10D,C,5D,D,11D.9,whenthedifferencebetweenthetwoeyes,whenthedifferenceismorethan,knownasanisometropia.(A)A,
