The materials of intraocular lens(IOL) starting to improve and alter all along is exercised from the original polymethylmethacrylate to present acrylic.Every type material has defects itself.

• 人工晶体材料由最初的聚甲基丙烯酸甲酯发展到今天的丙烯酸酯多聚物等,一直在不断地改良变化。