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Full-aperture diopter distribution measurement method for single vision and progressive addition lenses
Optics and Lasers in Engineering ( IF 4.6 ) Pub Date : 2021-11-26 , DOI: 10.1016/j.optlaseng.2021.106883
Tao Jin 1 , Hongzhi Jia 1 , Jing Li 1 , Huazhong Xiang 1 , Dawei Zhang 1 , Jiabi Chen 1 , Songlin Zhuang 1
Affiliation  

Hartmann testing method is still widely used for measuring the diopter of spectacle lens. However, its aperture measurement and resolution are limited by diffraction. This paper proposes a method to obtain full-aperture diopter distribution of spectacle lenses, including progressive addition lenses (PAL). The method uses a specially designed Hartmann testing plate for generating testing rays. The plate is rotated during measurement to overcome the diffraction limitation. Both simulation and experiment are carried out for verifying this method. The diopter measurement error of spherical power lens, cylindrical power lens, and PAL are less than 1% compared to the theoretical value in simulation. In the experiment, the deviation error is less than 2% for signal vision lens, when compared with the results obtained by an automated focimeter. The result shows that the proposed method can measure the full-aperture of diopter distribution for PAL.



中文翻译:

单光渐进屈光度镜片全孔径屈光度分布测量方法

哈特曼测试法仍然广泛用于测量眼镜片的屈光度。然而,它的孔径测量和分辨率受到衍射的限制。本文提出了一种获得眼镜镜片全孔径屈光度分布的方法,包括渐进多焦镜片 (PAL)。该方法使用专门设计的哈特曼测试板来产生测试射线。在测量过程中旋转板以克服衍射限制。为了验证该方法,进行了仿真和实验。球面屈光力镜片、柱面屈光力镜片和PAL的屈光度测量误差与模拟理论值相比均小于1%。在实验中,与自动焦距计获得的结果相比,信号视觉镜头的偏差误差小于2%。

更新日期:2021-11-26
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