渐进多焦点镜片的设计方法  

Design methods of progressive addition lenses

作　　者：吴泉英[1,2,3] 钱霖[4,5] 陈浩[1,3] 王媛媛[1,3] 余景池[1,3,5] 

机构地区：[1]温州医学院眼视光学院医院,温州325003 [2]苏州科技学院数理学院,苏州215009 [3]卫生部视觉科学研究重点实验室,温州325003 [4]苏州大学物理科学与技术学院光电系,苏州215006 [5]苏州大学江苏省现代光学技术重点实验室,苏州215006

出　　处：《激光杂志》2009年第6期12-14,共3页Laser Journal

基　　金：浙江省2007年科技计划项目资助(2007C21148);眼视光学和视觉科学国家重点实验室培育基地开放基金项目;江苏省现代光学技术重点实验室开放课题资助

摘　　要：介绍渐进多焦点镜片的基本原理和设计思想,阐述几种常用的设计方法和各自的优缺点,给出其中一种方法的设计结果,用测试仪检测实际加工的镜片性能。分析结果表明:渐进多焦点镜片可以实现从视远至视近的过渡,视近区的光焦度高于视远区的光焦度,像散可满足使用要求。不同的渐进多焦点镜片设计方法其设计出的光学镜片性能不同,实际设计加工的镜片检测性能与国外软件加工的镜片性能相近。The basic feature and principle of the progressive addition lenses are introduced,and the design idea is also described.Several kinds of design methods are illustrated,and their advantages and drawbacks are also represented.Based on one of design methods,the form of the progressive power surface will be gotten,a progressive addition lens design which matches the particular visual needs of the patient is given out.Progressive addition lenses are manufactured.The lenses manufactured are measured using the Class Plus lens analyzer to provide sphere,cylinder,and axis values across the surface of the lens.The result of measurement shows that the lens has a progressive power surface with a near portion and a distance portion,the near portion being of higher power than the distance portion,the form of the progressive power surface of the lens is effective to distribute surface astigmatism by optimizing configuration.It is also shown that the optical characteristics of the different progressive addition lenses designs are significantly different from one another.Compared with the lenses designed using foreign software,the performance is similar with each other.

关 键 词：视光学 老视 渐进多焦点镜片 附加光焦度 

分 类 号：O436.1[机械工程—光学工程]