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1、Diseases of lacrimal apparatus北京大学人民医院眼科 陈晶华医学课件园医学课件园 Lacrimal gland 泪腺医学课件园医学课件园 Lacrimal passages 泪道医学课件园医学课件园 Neurocontrol Feeling: facial nerve Secretion: sympathic parasympathic医学课件园医学课件园 The blood supply 泪腺动脉（眼动脉分 支）医学课件园医学课件园 Tear 泪膜Components: 脂质层 水液层（主泪腺和krause & wolfring） 粘蛋白层（结膜杯状细胞
2、） Function: Protection Lubricating Inhibition Nutrition 医学课件园医学课件园 Tearing Epiphora 泪溢 Lacrimation 流泪 Reflactive secration医学课件园医学课件园 Chronic Dacryocystitis 慢性泪囊炎 Cause: 泪液滞留伴发感染 Manifestation: 泪溢、脓性分泌物、泪囊 扩张 Danger Treatment: medicine and surgery医学课件园医学课件园 Acute Dacryocystitis急性泪囊炎 Cause: 链球菌 Man
3、ifestation: 流泪、红、脓性分泌物、 泪囊红肿硬疼 Treatment: 热敷 消炎 切开排脓 Newborn 医学课件园医学课件园 Left upper lid canaliculitis with diverticuli formation of the canaliculus医学课件园医学课件园 Discussion (1) A 17-year-old male with a 1- week history of pain and swelling over the right lacrimal gland. A. Clinical photograph demonstra
4、ting inflammation of the right lacrimal gland with minimal erythema and edema of adjacent soft tissues. B. Axial computed tomograph demonstrating the poorly demarcated, oblong lesion associated with inflammation of the lacrimal gland医学课件园医学课件园 Discussion (2)医学课件园医学课件园 Summery The anatomy of lacrimal apparatus The function of the tear The test of Lacrimal passages The cause, manifesitation,diagnosis and treatment of acute and chronic dacryocystitis医学课件园医学课件园
