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本文详细介绍了一种新型主观式波前像差仪的工作原理,具体地阐述了主观式波前像差仪的光路控制系统、瞳孔自动跟踪系统以及计算机软件控制系统,并给出了像差仪的结构原理图以及程序控制流程图。同时介绍了主观式波前像差仪中用于定量描述波前像差的两种方法:Zernike多项式和波前像差图。主观式波前像差仪能精确地测量出人眼的低阶和高阶像差,其应用前景广阔。
This paper introduces in detail the working principle of a novel subjective wavefront aberrometer, specifically describes the optical path control system, the pupil automatic tracking system and the computer software control system of the subjective wavefront aberrometer, and gives the aberration Instrument structure diagram and the program control flow chart. Two methods for quantitatively describing wavefront aberrations in subjective wavefront aberrometers are also introduced: Zernike polynomials and wavefront aberration diagrams. Subjective wavefront aberrometer can accurately measure the low-order and high-order human eye aberrations, its broad application prospects.