一、 eye lids diseases l、Overview Anatomy The skin layer:thin 提上脸肌 The subcutaneous tissue layer: 眼轮匝肌 上脸板肌 easy to edema Muscle layer the orbicularis oculi muscle,Levator muscle of upper 脸板 eyelid Tarsal plate layer dense 皮肤 睑结膜 connective tissue 睑板腺 √Meibomian gland(the largest of缘腺 the sebaceous gland) 睫毛 conjunctiva layer:Palpebral conjunctiva一、eye lids diseases 1、 Overview Anatomy ✓The skin layer: thin ✓The subcutaneous tissue layer: easy to edema ✓Muscle layer : the orbicularis oculi muscle, Levator muscle of upper eyelid ✓Tarsal plate layer : dense connective tissue ✓Meibomian gland (the largest of the sebaceous gland) ✓conjunctiva layer:Palpebral conjunctiva