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人眼模型中各折射面对人眼像差的贡献
引用本文:刘永基,王肇圻,方志良,母国光. 人眼模型中各折射面对人眼像差的贡献[J]. 光子学报, 2005, 34(10): 1554-1556
作者姓名:刘永基  王肇圻  方志良  母国光
作者单位:南开大学现代光学研究所、光电信息技术教育部重点实验室,天津300071
基金项目:天津市光电联合科学研究中心资助项目(60438030).
摘    要:将计算光学系统各个折射面对系统像差贡献的理论应用于人眼中.用C语言编制光线追迹程序,计算了人眼各个折射面对眼睛像差的贡献及各种像差经过眼睛不同折射面的变化.给出了眼睛中各个折射面对眼睛彗差的贡献,并发现角膜与晶状体对眼睛彗差的贡献有相互补偿的作用.在眼睛中,角膜前表面对人眼像差的贡献最大,晶状体后表面对眼睛像差的贡献次之,这两个折射面比其他两折射面对眼睛像差的贡献大得多.这说明晶状体后表面也是改善人眼像差的参数之一.

关 键 词:像差  眼睛  角膜  晶状体
收稿时间:2004-08-05
修稿时间:2004-08-05

The Contributions of Each Refractive Surface of the Human Model Eye to the Aberrations
Affiliation:Institute of Morden Optics, Nankai University,the Key Laboratory of Opto-electronic Information Science and Technology, MOE, Tianjin 300071
Abstract:The theory of computing the contributions of each retractive surlace oI the opttcal system to total aberrations was applied to the human eye model for the first time. To compute the contributions of each refractive surface and the variation of the aberrations after each surface, a ray tracing program has been written in C language. For the first time the contributions of each refractive surface to the coma were computed. And the coma aberrations caused by cornea and that caused by lens can be compensated for each other. Cornea anterior surface contributes most to the eye aberrations and the posterior surface of the lens played the second role which can give good information to the design of artificial crystalline lens.
Keywords:Aberration ~ Human eye ~ Cornea ~ Crystalline lens
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