Chinese Optics Letters, 2018, 16 (7): 072201, Published Online: Jul. 19, 2018   

Optical design and evaluation of Alvarez-type vision-training system Download: 728次

Author Affiliations
1 School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China
2 Beijing NED+ Ltd., Beijing 100081, China
Abstract
Myopia has become a noteworthy issue due to the increasing use of our eyes. We propose a continuous power variation vision-training device based on Alvarez lenses with the power ranging from 10 D to +2 D. First, we introduce the principle of Alvarez lenses and the evaluation method of dioptric power and astigmatism. Then, we optimize the optical system described by Zernike polynomials. Finally, we analyze the distributions of dioptric power and astigmatism with the overall surface analysis and fields of view (FOVs) analysis. The results show that the optical performance of an optimized system can meet the requirement within a 40° FOV.

Wei Lou, Dewen Cheng, Luo Gu, Weihong Hou, Yongtian Wang. Optical design and evaluation of Alvarez-type vision-training system[J]. Chinese Optics Letters, 2018, 16(7): 072201.

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