optical prism

The prism effect produced by moving optical center of presbyopic glasses was put on the right and left lenses averagely by 1/ 2-1/ 3 degree of exophoria.

通过移动老视镜的光学中心的方法，产生三棱镜效应，按外隐斜度数的1/2～1/3给予三棱镜度，平均加在左右2眼。

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AIM: To evaluate the therapeutic effects of using prism effect in the correction of muscular asthenopia by changing optical center of presbyopic glasses.

目的：应用改变近用老视镜的光学中心所产生的三棱镜效应，消除老视患者近距离阅读和工作的肌性视疲劳。

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a right-angled optical prism used to turn an inverted image upright.

用来垂直翻转图像的直角光学棱镜。

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In the thesis, the efficiency of the optical energy and contrast of the system are discussed. The traditional Philip prism and the PBS are improved in order to suit our projection system.

论文对显示系统光能利用效率、对比度等特性进行了充分分析，对Philip棱镜系统以及PBS偏振系统进行了优化和改进，获得了高性能的投影显示。

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Griffith Joyner set it at Indianapolis in 1988. The bistable bahavior originating from optical nonlinear coupling between a prism and a nonlinear waveguide by using Fresnel formulas is described.

是格里菲斯·乔依娜在印地安纳波利斯创下的。利用菲涅耳公式计算了棱镜非线性光波导耦合。

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In this paper the prism turning theorem is expanded to apply to telescopic system, and a new method of analysis and design for stabilized optical imaging systems is proposed.

本文将棱镜转动定理推广到望远系统，提出一种分析和设计稳象系统的方法。

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