Author Affiliations
Abstract
1 School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China
2 Beijing NED+ Ltd., Beijing 100081, China
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.
220.3620 Lens system design 220.1250 Aspherics 330.7333 Visual optics, refractive anomolies 
Chinese Optics Letters
2018, 16(7): 072201

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