Hosotani H
Department of Ophthalmology, Osaka University Medical School, Japan.
Nippon Ganka Gakkai Zasshi. 1997 Nov;101(11):841-6.
I have invented an intraocular lens (IOL) coated with diamond-like carbon film and have investigated its physical properties. Diamond-like carbon film is an ultrathin film which is composed of many carbon atoms and very few hydrogen atoms, and has properties very similar to diamond. I have measured the following properties of the polymethylmethacrylate (PMMA) plates or IOLs coated with diamond-like carbon film: light transmission curve, resistance against Nd:YAG laser capsulotomy, peel-off test, and contact angle. The plates or lenses are more ultraviolet-absorbing than uncoated PMMA plates, and PMMA plates coated with 50 nm-thick diamond-like carbon film have a light transmission curve very similar to that of a 25-year-old human crystalline lens. The pits and cracks due to Nd:YAG laser emission were smaller in the coated IOLs were more hydrophobic and oleophilic than uncoated IOLs. Diamond-like carbon film coated IOLs are thought to be very promising.
我发明了一种涂有类金刚石碳膜的人工晶状体（IOL），并对其物理性质进行了研究。类金刚石碳膜是一种由许多碳原子和极少数氢原子组成的超薄膜，其性质与金刚石非常相似。我测量了涂有类金刚石碳膜的聚甲基丙烯酸甲酯（PMMA）板或IOL的以下性质：透光曲线、抗Nd:YAG激光囊切开术的能力、剥离试验和接触角。这些板或镜片比未涂层的PMMA板更能吸收紫外线，涂有50纳米厚类金刚石碳膜的PMMA板的透光曲线与25岁人类晶状体的透光曲线非常相似。涂覆IOL中因Nd:YAG激光发射产生的凹坑和裂纹较小，且比未涂覆的IOL更疏水和亲油。涂有类金刚石碳膜的IOL被认为非常有前景。
