裂隙灯检查法

1、裂隙灯检查法 1Direct illumination2Diffuse illumination34宽裂隙照明567光学区域照明（窄裂隙） 89101112131415161718EdemaStromal opacitiesMarginal dystrophyKayser-Fleisher ringFuchs dystrophyCorneal pannusEpithelial defectCorneal infiltratesFurrow dystrophyLens opacitiesDellenMicrocystsBullaeEctatic changesAnterior chamber d

2、epthTear film deficiencyCorneal thinning 19镜面反射光 20 内皮观察 212223Indrect illumination24Proximal illumination 252627Sclerotic scatter 2829Corneal foreign bodiesCorneal edemaKeratic precipitatesVerticillataInterstitial keratitisGranular dystrophyRadial keratotomy scarsHydrops30Retroillumination(iris) 31

3、3233Lattice dystrophyCorneal foreign bodiesMeesmanns dystrophyFingerprint, map, dot dystrophyCornea farinataDescemets foldsKeratic precipitatesThygesons superficial punctate keratitisCorneal infiltratesEarly edemaFilamentsMicrocystsFuchs dystrophyCorneal scars 34Retroillumination(fundus) 35363738Lat

4、tice dystrophyPseudoexfoliationKeratic precipitatesCorneal scarsMeesmanns dystrophyMap, dot, fingerprint dystrophyLens vacuolesCataractCorneal rejection lines 39Transillumination of the iris 4041Vital dyes42Fluorescein 434445Fluorescein and rose bengal 4647Seidal test 48重点注意患者进入诊室自然光照明寻找不同点学会如何描述病变（

5、硬度、颜色、形状、大小、位置）比较各种不同照明的不同学会使用后照法用窄裂隙来确定病变深度4950515253角膜溃疡54角膜溃疡定义：分类 感染性 非感染性555657 5859角膜水肿60ClassificationEtiologiesCharacteristicsPrimary endothelial failureCHED, Fuchs dystrophy, ICE, PPMDPrimarily stromal, diffuse, progressive, irreversibleSecondary endothelial failureAcute or chronic trauma,

6、chemical, inflammatory, hypoxiaPrimarily stromal, focal or diffuse, acute or chronicNormal endotheliumElevated intraocular pressurePrimarily epithelial, microcystic, central or diffuse, acuteEpithelial failureEpithelial defectStromal, surrounding defect, acuteCauses of corneal edema61Clinical evaluationHistoryLateralityAgeDurationDiurnal variationPrevious