(2)Familiarizing with following points: 1)The clinical manifestations and treatments of pterygium principles (3)Getting a general idea on: 1)The clinical features of autoimmune conjunctivitis. Corneal diseases (1)Grasping following points 1Comeal tissue structure;general keratitis,bacterial keratitis;viral keratitis, fungal keratitis:keratoconus (2)Familiarizing with following points: 1)Comeal pathologic physiology: 2)acanthamoeba keratitis;Mooren's ulcer;filamentary keratitis;comeal degeneration and corneal dystrophy (3)Getting a general idea on: 1Interstitial keratitis,neuroparalytic keratitis;exposure keratitis;keratomalacia; comeal tumor。. 2)The contact lens related complications Sclera disease (1)Grasping following points:Episcleritis (2)Familiarizing with following points:Scleritis,scleral staphyloma Lentis diseases (1)Grasping following points: 1)The classifications and stage ofage-related cataract 2)The surgical techniques and various indications of cataract,and understand the postoperative complications. (2)Familiarizing with following points: 1)The clinical manifestations,classification and related concepts of cataracts (3)Getting a general idea on: 44 (2) Familiarizing with following points: 1) The clinical manifestations and treatments of pterygium principles. (3) Getting a general idea on: 1) The clinical features of autoimmune conjunctivitis. Corneal diseases （1） Grasping following points: 1）Corneal tissue structure; general keratitis; bacterial keratitis; viral keratitis; fungal keratitis; keratoconus （2）Familiarizing with following points: 1）Corneal pathologic physiology; 2 ） acanthamoeba keratitis; Mooren’s ulcer; filamentary keratitis; corneal degeneration and corneal dystrophy （3）Getting a general idea on: 1）Interstitial keratitis; neuroparalytic keratitis; exposure keratitis; keratomalacia; corneal tumor。 2）The contact lens related complications Sclera disease （1）Grasping following points: Episcleritis （2）Familiarizing with following points: Scleritis; scleral staphyloma Lentis diseases (1) Grasping following points: 1) The classifications and stage of age-related cataract. 2) The surgical techniques and various indications of cataract, and understand the postoperative complications. (2) Familiarizing with following points: 1) The clinical manifestations，classification and related concepts of cataracts. (3) Getting a general idea on: