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Customized design and efficient machining of astigmatism-minimized progressive addition lens

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摘要

Astigmatism is inevitable and inherent to progressive addition lens (PAL), which are typically distributed in the lateral areas on both sides of progressive corridor. In this study, we took into account the spectacle frame for the customized freeform PAL design with the variational-difference numerical approach. PAL surface with minimized astigmatism, approximately equal to 84% of the add power, was numerically resolved without expending the zone for clear vision. We validated our approach by experimentally demonstrating the procedure from tool path generation to surface power measurement, thus providing an efficient solution to the personalization of astigmatism-minimized PAL design and manufacture.

Newport宣传-MKS新实验室计划
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作者单位:

    Wenzhou Medical University
    The Eye Hospital of Wenzhou Medical University
    The Eye Hospital of Wenzhou Medical University

引用该论文

Li Yiyu,Huang Wei,Feng Haihua,Chen Jiaojie. Customized design and efficient machining of astigmatism-minimized progressive addition lens[J].Chinese Optics Letters,2018,16(11):11.