裂隙燈檢查法

1、裂隙燈檢查法 1Direct illumination2Diffuse illumination34寬裂隙照明567光學(xué)區(qū)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鏡面反射光 20 內(nèi)皮觀察 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重點(diǎn)注意患者進(jìn)入診室自然光照明尋找不同點(diǎn)學(xué)會如何描述病變（

5、硬度、顏色、形狀、大小、位置）比較各種不同照明的不同學(xué)會使用后照法用窄裂隙來確定病變深度4950515253角膜潰瘍54角膜潰瘍定義：分類 感染性 非感染性555657 5859角膜水腫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