综述了接触透镜材料的研究进展,接触透镜从材料方面主要分为硬镜和软镜;介绍了各种透镜材料的成分、性能,并对其优缺点进行评定.聚甲基丙烯酸甲酯(PMMA)是最初的接触透镜材料,随后研制出透气性硬镜材料(RGP)以保持佩戴角膜健康.为改善佩戴舒适性,广泛研究水凝胶类软接触透镜材料,主要有聚甲基丙烯酸β-羟乙酯(HEMA)、聚乙烯吡咯烷酮(PVP)和聚乙烯醇(PVA)等材料;为提高软镜的透氧性等性能,目前研究的热点是高透氧性软接触透镜材料,主要以有机硅、有机氟等大分子单体合成水凝胶材料,以及生物改性的软镜材料.
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