球面透镜眼视光专业七年制

眼视

球面SphericalSchoolofOphthalmology&OptometryWenzhouMedicalUniversity 1透镜和哲学的的哲学著作《几 学（EthicaOrdineGeometricoDemonstrata称 学》–正如光既 —2Spherical SphericalRefractivePowerofSphericalsurfaceandThinLensRefractivePowerofThick34透镜质,至少一面是弯曲面(FacetoFace)5Lens:Lens（透镜）：atransparentmediumboundedbytwocurvedsurfacesShapeofLensPlanesurface（平面Sphericalsurface（球面）Cylindricalsurface（柱）Toricsurface（环曲面Asphericsurface（非球面6透镜散光Astigmatism

圆柱Cylindriclens(平+柱球柱Sphero-cylindriclens(柱+球/柱环曲面Toric /平7ImagingofSphericalradiusofopticalprincipal8ImagingofAstigmaticSturm’spower

Theleastcirclefocal

focalCAaxis Interval9ThinThinandthickThinlens:isnotrelatedtothelensThicklens:beattentiontotheinfluenceofthicknessonlenspower作图法ImagingofThinopticaloptic计算法ImagingofThin已知：u2m,f1 f

c 12

0.52

66m透镜概透镜成SphericalCSphericalBalongAA

alongAABRadiusofcurvatureequalsinallmeridian(Theoretically)produceapointimagefromBPowerisequalinallFormsapointfocusforallincident

pointsourceThesphericalsurfacechangesthevergenceoftheincidentlightateachcurvedsurfaceSphericallenshasasinglepowerfor entireClassificationofSphericalConvexlens（凸透镜 厚，边缘薄，又称会聚透 Concavelens（凹透镜 球面透镜定义Spherical主要用于矫正单纯近视和单纯远分类：凸凸面会聚凹面发散球镜的光学性质：凸面会聚凹面FocalpointsofSphericalRefractivePowerofSpherical11 1vu

物聚散度透镜

V球镜屈光 RefractivePowerofSphericalIn-class（33.3cm;-NormativeInformationofe.g.

OS-4.00DS/-1.00DC×10=0.8OS-2.50DS/-1.00DC×10=1.0Prism:e.g.OD OSe.g.Distance64mmNearDistanceatreand透镜屈光力和处方的规范保留2位小1/4DS为间0.00DSorplanolens-轴X,“°球镜的CombinationofSpherical紧密叠合Thelensareplacedtogetherin-

相隔距离ThelensareseparatedbysomeFF1F2Howtoidentifyaspherical薄厚ConvexCentre-Peripheral-ConcaveCentre-Howtoidentifyaspherical影像Convex

ConcaveHowtoidentifyaspherical像移Convexlens——againstConcavelens——withHowtoneutralizeasphericalUnknown

UnknownBig In像移和中球镜概念和分球镜光学性球镜屈光透镜屈光力和处方的规范书球镜的联球镜的识别和中RefractivePowerofSphericalsurfaceandThinLensRefractivePowerofSphericaloroororF F(nn RefractivePowerofSphericalIn-classFnglassnair

0)RefractivePowerofSphericalFnglassnwater 3) 0.1RefractivePowerofThinr2FFFF1F2(n1r11r2RefractivePowerofThine.g.Abi-convexthinlens,n=1.6,theanteriorsurfaceofradius12cm,theposteriorsurfaceofradius20cm,whatisthepowerofthelens? n11.6

1n1 1 1

2FF1 5.003.002F(n 1)(1.61)(1

1)

RefractivePowerofThinIn-classAmeniscus-convexlens,n=1.5,theanteriorsurfaceofradius10cm,posteriorsurfaceofradius20cm,whatisthepoweroftheF(n 1)(1.51)(1

1)

RefractivePowerofThinLensLens1Equi-2Bi-3Plano-4-5-6-RefractivePowerofThinPowerPower----------------RefractivePowerofThickRefractivePowerofThickThickLens（厚透镜）：Athicklensconsistsoftworefractingsurfacesseparatedbyathicknessofglass.Re