眼科学晶体病医学-精选课件.ppt

1、晶体病南大一附医院南大一附医院 眼科教研室眼科教研室授课老师授课老师 高桂平高桂平本课学习目的掌握白内障的定义、主要临床表现及诊断。屈光间质及特性角膜-强房水-基本恒定晶状体-可调节玻璃体-恒定泪水-不定Anatomy and physiology of the lensLens equatorLens cortex subcapsularLens nucleusLens capsuleAnatomy and physiology of the lens无血管、透明、有弹性、有抗原性、悬吊固定晶体病(disorder of the lens)Cataract(白内障)Abnormalities

2、 of lens shape and position（晶体形状与位置异常）晶体病(disorder of the lens)Anatomy and physiology of the lens Position disorder of the lens Luxation of the lensdisorder of the lensAnatomy and physiology of the lens Transparency opacity Cataract Etiology of cataract(白内障病因)unknown：Age-related cataract known etiol

3、ogy:trauma,inflammation,metabolic,nutritional disease,radiation,agingCataractClassification of the cataract1.Cataract in adults(age-related cataracts)2.Congenital cataracts traumatic cataracts3.Secondary cataracts cataract diabetes toxic cataracts4.After cataracts Cataract in adultsType of cataract

4、in adults:Cortical Nuclear subcapsularCataract in adultsSigns and symptoms Decreased acuity Cortical cataractIncipient stageCortical cataractImmature stageCortical cataractMature stageCortical cataractHypermature stage白内障并发症GlaucomaIriticLuxation Management of cataract in adultsMedical managementInd

5、ication for surgery Management of cataract in adultsSurgical technique Intracapsular cataract extraction(ICCE)Surgical techniqueExtracapsular cataract extraction(ECCE)Surgical techniquePhaco cataract extractionSurgical techniqueAphakia glassesContact lensIntraocular lens(IOL)Surgical techniqueIntraocular lens implant先天性白内障Congenital cataractsCongenital cataractsCongenital cataractsMarfan Syndrom1、晶状体病变会引起哪些 视力变化？2、人工晶体的缺陷是什么？