【摘要】 人眼是一个不完善的成像系统,存在各种像差,包括轴上像差及轴外像差,这些像差都会影响视网膜的成像质量。而现阶段大多数人眼像差的检测方法主要针对轴上视场像差的测量,比如离焦、像散以及部分高阶像差的测量。因此提出了基于Hartmann-Shack波前传感器的人眼离轴像差的测量方法,建立测量系统并进行实验研究,当离轴角度从0°偏离到左右各5°、10°时,均方根(RMS)值分别从1.12变化到1.36(1.52),1.41(1.96),结果表明随着离轴角度的增加人眼外围视野的成像质量显著下降,原因一方面是人眼离轴像差的增大,另一方面是由于外围视野的感光细胞密度降低。更多还原

【Abstract】 The human eye is an imperfect refractive system which has kinds of aberrations,including onaxis aberrations and off-axis aberrations,all of which have influence on the imaging quality of retina.But at present most of the ocular aberration detection methods focus on on-axis measurement,such as defocus, astigmatism,and part of high orders aberrations.The ocular off-axis aberrations detection method based on the Hartmann-Shack is proposed,the measuring system is set up and the experimental test is carried out. When the off-axis angle changes from 0°around to 5°,10°,root mean square(RMS) values change from 1.12 to 1.36(1.52),and 1.41(1.96),and the results show that with the increase of the off-axis angle,the image quality of human peripheral vision decreased significantly.The reason is the increase of the off-axis aberrations,the other reason is due to the decrease of the peripheral vision photoreceptor cells density.更多还原