沙眼是一种流行很广的眼病。要消灭沙眼,仅靠少数医务人员是不可能解决问题的,只有坚决依靠群众,走群众路线,才能达到普遍防治和消灭沙眼的目的。发动群众开展沙眼防治工作的重要关键,在于技术下放,使群众有机会参加沙眼的防治运动。沙眼分类的简化,是技术下放首先需要考虑的问题。过去,沙眼的分类方法很多,也相当复杂,许多医务人员难于掌握,而且也有争论。1958年7月间,全国 Trachoma is a very popular eye disease. To eliminate trachoma can only be solved by a small number of medical staff. Only by firmly relying on the masses and following the mass line can we achieve the goal of preventing and eliminating trachoma. The key to launching the trachoma prevention and control work by the masses lies in the decentralization of technology so that the people have the opportunity to participate in the trachoma prevention and control campaign. The simplification of trachoma classification is the first issue to be considered for decentralization of technology. In the past, there were many ways to classify trachoma, which is quite complicated. Many medical workers find it difficult to grasp, and there are also controversies. July 1958, the country