沙眼是由沙眼包涵体性结膜炎(TRLC)因子所引起,同时累及角膜的慢性传染性结膜炎症。用局部治疗,必须做到长期不间断地用药,一般需要1—3个月,病情较重者需要半年以上。而机械刮沙眼的方法,只能把结膜的包涵体,用机械的方法部分刮除,而大量包涵体尚保存在结膜表面,所以长期以来都在寻求新的药物或新的途径来治疗沙眼。 Trachoma is caused by trachoma inclusion conjunctivitis (TRLC) factor, involving both chronic infectious conjunctival inflammation of the cornea. With local treatment, you must do long-term continuous use of drugs, generally takes 1-3 months, severe cases need more than six months. The mechanical method of trachoma, only the conjunctiva of the inclusion body, the mechanical part of the curettage, and a large number of inclusion bodies are still preserved in the conjunctiva surface, it has long been seeking new drugs or new ways to treat trachoma.