白内障形态特点和裂隙灯检查课件

不同类型白内障形态特征及裂隙灯检查Evaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2019-2019AsposePtyL正常晶状体特点:软性、透明无血管、双凸透镜样位置:位于虹膜、瞳孔和玻璃体之间,360°悬韧带与睫状体联系固定是屈光间质的重要组成部Evaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2019-2019AsposePtyL白内障分类(病因)●年龄相关性白内障9先天性白内障外伤性白内障代谢性白内障0并发性白内障药物及中毒性白内障后发性白内障Evaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2019-2019AsposePtyL龄相关性白内障Age-relatedCataract皮质性核性后囊下性Evaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2019-2019AsposePtyL初发期裂隙灯:空泡、水裂、板层分离、楔形混浊、辐轮状混浊,底边位于赤道部,尖端指向瞳孔区中央检眼镜:红光反射中有辐轮状或片状阴影Evaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2019-2019AsposePtyL期2.膨胀期水分积聚,体积变大、易诱发急性闭角性青光裂隙灯:不均匀灰白色混浊、囊膜绢丝样反光、前房变浅虹膜投影性Evaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2019-2019AsposePtyL3.成熟期裂隙灯:全部泥浊、呈乳白色、前房正常Evaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2019-2019AsposePtyL4.过熟期裂隙灯:体积缩小,前房加深、囊膜皱缩、钙化点纤维化.核下沉(Morgagnianl内障,晶状体脫位核沉入前房和玻璃体眼愿窥不入易秀发:晶体蛋白过敏性葡萄膜炎、晶状体溶解性青光眼、体脱位Evaluationonly.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2019-2019AsposePtyL核性白内障发病年早,进展缓慢,最早出现在胚胎核,而后向外扩展至老年核裂隙灯:核透明性下降,色变深。彻照法:红色反光中央盘状暗影眼底检查:周边看清眼底发生:近视、单眼复视、散瞳前后视力改变Evaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2019-2019AsposePtyL后囊下性自肉障裂原灯:后囊膜下浅层皮质混浊形态学:棕黄色颗粒夹杂空泡,外观似锅巴状视力:位于视轴,早期明显视力下降Evaluauononr.chAsposeslidesforNET4odient