Purpose:To assess the surface properties of modified hydrophobic acrylic intraocular lenses (IOL) implanted in rabbits.Methods:.The hydrophobic acrylic IOLs were modified with monomer vinyl pyrrolidone by surface modi...Purpose:To assess the surface properties of modified hydrophobic acrylic intraocular lenses (IOL) implanted in rabbits.Methods:.The hydrophobic acrylic IOLs were modified with monomer vinyl pyrrolidone by surface modification technique.Phacoemulsification combined with IOL implantation was conducted in 9 rabbits (18 eyes).Postoperative responses were observed by slit-lamp microscope at 3,.7,.15,.30,.90 days after surgery.Results:.During the early stage after IOL implantation,corneal edema and anterior chamber fibrin exudation were observed.The exudate fluid was almost absorbed at the 15th day postoperatively.At 7th day,the anterior chamber exudation in the modification group was significantly less severe than that in non-modification group(P<0.05).Posterior capsular opacification occurred at 30th day after surgery and was aggravated90 days later.IOL dislocation was seen in 5 eyes and occlusion of pupil in 3 eyes.Conclusion:The hydrophobic acrylic IOLs with surface modification have improved surface properties and higher uveal biocompatibility.展开更多
杰克逊和布拉德福德(Jackson and Bradford)在一篇讨论测量警察合法性的方法论的重要文章中警告不要使用验证性因子分析作为警察合法性的可能来源和组成部分的一种判断工具。然而,该文在对孙懿贤(Ivan Sun)等人的文章的观点合理性提出...杰克逊和布拉德福德(Jackson and Bradford)在一篇讨论测量警察合法性的方法论的重要文章中警告不要使用验证性因子分析作为警察合法性的可能来源和组成部分的一种判断工具。然而,该文在对孙懿贤(Ivan Sun)等人的文章的观点合理性提出质疑的过程中,无意间关注到另一个更为根本的问题,即科学家应如何在多元文化中进行研究和理论检验。此外,该文反对以其他方式测量警察合法性的论点也阐明了犯罪学面临的一个普遍存在的问题,因而引起了对犯罪学中关键假设操作化的质疑。我们认为,杰克逊和布拉德福德对孙懿贤等人的模型的批评以及对中国警察合法性的后续检验都被夸大了。此外,我们认为跨文化的(警察合法性)理论检验应该自上而下和自下而上同时进行,因为这两者不一定矛盾。我们主张读者成为最终的法庭之友(Amicus curiae),因为此问题没有绝对的正确或错误。展开更多
基金National Natural Science Foundation of China(Grant No.8107 0716)
文摘Purpose:To assess the surface properties of modified hydrophobic acrylic intraocular lenses (IOL) implanted in rabbits.Methods:.The hydrophobic acrylic IOLs were modified with monomer vinyl pyrrolidone by surface modification technique.Phacoemulsification combined with IOL implantation was conducted in 9 rabbits (18 eyes).Postoperative responses were observed by slit-lamp microscope at 3,.7,.15,.30,.90 days after surgery.Results:.During the early stage after IOL implantation,corneal edema and anterior chamber fibrin exudation were observed.The exudate fluid was almost absorbed at the 15th day postoperatively.At 7th day,the anterior chamber exudation in the modification group was significantly less severe than that in non-modification group(P<0.05).Posterior capsular opacification occurred at 30th day after surgery and was aggravated90 days later.IOL dislocation was seen in 5 eyes and occlusion of pupil in 3 eyes.Conclusion:The hydrophobic acrylic IOLs with surface modification have improved surface properties and higher uveal biocompatibility.
文摘杰克逊和布拉德福德(Jackson and Bradford)在一篇讨论测量警察合法性的方法论的重要文章中警告不要使用验证性因子分析作为警察合法性的可能来源和组成部分的一种判断工具。然而,该文在对孙懿贤(Ivan Sun)等人的文章的观点合理性提出质疑的过程中,无意间关注到另一个更为根本的问题,即科学家应如何在多元文化中进行研究和理论检验。此外,该文反对以其他方式测量警察合法性的论点也阐明了犯罪学面临的一个普遍存在的问题,因而引起了对犯罪学中关键假设操作化的质疑。我们认为,杰克逊和布拉德福德对孙懿贤等人的模型的批评以及对中国警察合法性的后续检验都被夸大了。此外,我们认为跨文化的(警察合法性)理论检验应该自上而下和自下而上同时进行,因为这两者不一定矛盾。我们主张读者成为最终的法庭之友(Amicus curiae),因为此问题没有绝对的正确或错误。