球面透鏡眼視光專業(yè)七年制

眼視

球面SphericalSchoolofOphthalmology&OptometryWenzhouMedicalUniversity 1透鏡和哲學的的哲學著作《幾 學（EthicaOrdineGeometricoDemonstrata稱 學》–正如光既 —2Spherical SphericalRefractivePowerofSphericalsurfaceandThinLensRefractivePowerofThick34透鏡質(zhì),至少一面是彎曲面(FacetoFace)5Lens:Lens（透鏡）：atransparentmediumboundedbytwocurvedsurfacesShapeofLensPlanesurface（平面Sphericalsurface（球面）Cylindricalsurface（柱）Toricsurface（環(huán)曲面Asphericsurface（非球面6透鏡散光Astigmatism

圓柱Cylindriclens(平+柱球柱Sphero-cylindriclens(柱+球/柱環(huán)曲面Toric /平7ImagingofSphericalradiusofopticalprincipal8ImagingofAstigmaticSturm’spower

Theleastcirclefocal

focalCAaxis Interval9ThinThinandthickThinlens:isnotrelatedtothelensThicklens:beattentiontotheinfluenceofthicknessonlenspower作圖法ImagingofThinopticaloptic計算法ImagingofThin已知：u2m,f1 f

c 12

0.52

66m透鏡概透鏡成SphericalCSphericalBalongAA

alongAABRadiusofcurvatureequalsinallmeridian(Theoretically)produceapointimagefromBPowerisequalinallFormsapointfocusforallincident

pointsourceThesphericalsurfacechangesthevergenceoftheincidentlightateachcurvedsurfaceSphericallenshasasinglepowerfor entireClassificationofSphericalConvexlens（凸透鏡 厚，邊緣薄，又稱會聚透 Concavelens（凹透鏡 球面透鏡定義Spherical主要用于矯正單純近視和單純遠分類：凸凸面會聚凹面發(fā)散球鏡的光學性質(zhì)：凸面會聚凹面FocalpointsofSphericalRefractivePowerofSpherical11 1vu

物聚散度透鏡

V球鏡屈光 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透鏡屈光力和處方的規(guī)范保留2位小1/4DS為間0.00DSorplanolens-軸X,“°球鏡的CombinationofSpherical緊密疊合Thelensareplacedtogetherin-

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

ConcaveHowtoidentifyaspherical像移Convexlens——againstConcavelens——withHowtoneutralizeasphericalUnknown

UnknownBig In像移和中球鏡概念和分球鏡光學性球鏡屈光透鏡屈光力和處方的規(guī)范書球鏡的聯(lián)球鏡的識別和中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（厚透鏡）：Athicklensconsistsoftworefractingsurfacesseparatedbyathicknessofglass.Re