Determination And Comparison Of MUC5AC,Insulin And Substance P In Tears Of Dry Eye Patients And Normal Persons

ObjectiveThe normal ocular surface is covered a wrap of tear film. The steady of tear film is the base to maintain the healthy of the normal ocular surface. Tear film has the functions of protection, lubrication, nutrition and prevention the keratinization of corneal epithelium. Dry eye will be caused by the abnormal tear film of the ocular surface.Dry eye is a high incidence disease, which related to circumstance and condition of the eye and the body. The incidence of dry eye becomes higher and higher because of the ageing of society, the popular of cornea contact lens, the elevation of living condition, the prolongation of time of video work. The study of pathogenesis and treatment for dry eye has prominent society significance.The tears has the functions of bacteriostasis, sterilization, barrier immunomodulation. The occurrence, diagnosis and treatment in some diseases of ocular surface especially in dry eye should set about from the tears. Determining the composition of tears and observing tear film conduce to diagnosis, treatment and the evaluation of prognosis. The...