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膜剂是是四十年代发展起来的一种新剂型。它以天然的或合成的高分子化合物为成膜材料,将药物溶解或均匀分散于基质中。国外从六十年代起,将膜剂应用于跟结膜囊和
Film is a new form developed in the forties. It uses natural or synthetic polymer compounds as film-forming materials, the drug dissolved or dispersed in the matrix. Foreign from the sixties onwards, the film applied to conjunctival sac and