眼科学晶体病医学.ppt

1、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？ 晶体病 南大一附医院 眼科教研室 授课老师 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 lens Lens equator Lens cortex subcapsular Lens nucleus Lens capsule Anatomy 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 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 lens disorder of the lens Anatomy and physiology of the lens Transparency opacity Cataract Etiology of cataract(白内障病因) unknown：Age-related cataract known etiology: trauma, inflammation, metabolic, nutritional disease, radiation, aging Cataract Classification of the cataract Cataract in adults (age-related cataracts ) Congenital cataracts traumatic cataracts 3. Secondary cataracts cataract diabetes toxic cataracts 4. After cataracts Cataract in adults Type of cataract in adults: Cortical Nuclear subcapsular Cataract in adults Signs and symptoms Decreased acuity Cortical cataract Incipient stage Cortical cataract Immature stage Cortical cataract Mature stage Cortical cataract Hypermature stage 白内障并发症 Glaucoma Iritic Luxation Management of cataract in adults Medical management Indication for surgery Management of cataract in adults Surgical technique Intracapsular cataract extraction (ICCE) Surgical technique Extracapsular cataract extraction (ECCE) Surgical technique Phaco cataract extraction Surgical technique Aphakia glasses Contact lens Intraocular lens (IOL) Sur