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1、眼视光专业毕业论文(Graduationthesisofeyelight)Abstract:asaresultoftechnicalinnovationisaccelerated,thespeedoftheprogressivelensreplacementisbecomingmoreandmorefast,after2005,combinedwiththebinocularvisioneyemovementparametersintothemainstreamofmodernsoftdesign,theprogressivelensesbygraduallyintothee
2、raof"personalised"design.Withtheimprovementofpeople'slivingquality,andtherequirementsofthejob,gradualbecomenecessitieslens,howtoimprovethecomfortofwear,andhowtochoicesuitableprogressivelensesforcustomersbecomeanewtopic.Keywords:upgrading,needs,comfort,andissuitableforintroduction:chooseapai
3、rofglasseslensisatoppriorityforyoureyes,whenmanypeopleworryforglassesfatigue,highnumberofpeoplewillfeelneariseyestootired,worriedabouthigherdegree,theelderlyfeelfarlooknearlytwopairsofglasses,toomuchtrouble!Asymptoticmulti-pointlensesprovidethewearerwithaclearvisionofthedistancefromthedista
4、ncetothenearpoint.Inthispaper,theproblemsofthepatientswithhyperopiaweresolved.Progressivemulti-pointmirrorfilmshavebecomeamainstream,whichisnecessarytomeetpeople'svisualneeds.1,abriefintroductionofgradualstructuregraduallypieceiscomposedofthreeregions,dependingonthefararea,nearvisionareaand
5、theastigmaticonbothsidesofthearea,andonthelenssidefixeddependingontheareaandfarbelowthelensfixednearvisionareahasarefractivepowercontinuouschangeofthetransitionareabetweendomains,thelensareaisknownasthegradientarea.Inthearea,throughthelenscurvatureradiusbecamesmallerandthelensrefractivepowe
6、r(degree)graduallyincrease,soastoprovidethewearerfromfartonear,continuousandclearvision.2,theadvantagesanddisadvantagesofgradualpieceadvantagesInvisiblefaults"child"Fromthelowerpartofthelens,benthorizontallineNojumparoundlikeadeformationandthephenomenonof"swimming"(withheadmovementoftheobje
7、ctmovement)existnosonringaroundtheblindareaIntermediateviewwidthlessthanthreelensAnydistancecanbeasatisfactoryvisionNearvisionvisionlessthandoublelensvisualisclosertotheolddependingontheinitialheadmotionincreaseddegreeoflenswithoutsuddenchangesAdditional