作　　者： ; ; ; ;

机构地区： 南开大学电子信息与光学工程学院现代光学研究所

出　　处： 《光学学报》 2006年第11期1721-1726,共6页

摘　　要： 基于两个人眼光学质量客观评价标准同心相对瞳孔平面（PFWc）和区域调制传递函数（Marea MTF），研究和分析了波前像差均方根值WRMS处于0．05～1．00μm较大范围内泽尼克各项像差对人眼光学质量的影响。分析结果表明，泽尼克各项在WRMS一定时，瞳孔中心区域的光学质量差距明显，离焦（C4）和球差（C12）项的MPFWc值最小，而五叶草（C15、C20）项的MPFWc值最大。五叶草项在WRMS值处于0．05～1．00μm的范围内，其Marea MTF值均大于0．94，表明该像差项对光学质量的影响可以忽略。MPFWc值和Marea MTF值随着WRMS值的增大而减小，但不是简单的线性关系，随着WRMS值的增大，它们的变化趋于平缓。各项泽尼克像差对人眼光学质量的影响存在较大差别，对人眼光学质量的影响从大到小依次为：球差、离焦、散光、彗差、三叶草、四叶草、五叶草等。 Based on PFWc and AreaMTF metrics, which are objective and quantitative metrics of optical quality of human eyes, the influence of wavefront aberration of single Zernike modes on optical quality is investigated with the RMS wavefront aberration of 0.05 - 1.00 μm. The results show that when a fixed amount of RMS aberration is loaded into single Zernike modes, the optical quality of the central region of the pupil varies with the Zernike modes. The value of PFWc of defocus （C4） and spherical aberation （C12） is minimum, but that of pentafoil （C15 and C20） is maximum. The value of area MTF of pentafoil is more than 0.94 in the case of RMS wavefront aberration within the range of 0.05 - 1.00 μm, so its influence on optical quality can be ignored. Furthermore, the value of PFWc, as well as area MTF, decreases with rise of RMS, but nonlinearly, and their decreased slopes become smaller as the RMS value increases. Moreover, the influences of wavefront aberration of single Zernike modes on optical quality of human eyes are of great difference, the effect sequence of which is followed from the maxium to the miniumum by sphere, defocus, astigmatism, coma, trefoil, tetrafoil and pentafoil.

关 键 词： 医用光学与生物技术 视光学 光学质量标准 视功能 波前像差

领　　域： [机械工程] [理学] [理学]