苏州科技大学学报（自然科学版）2022，Vol.39Issue(2)：37-44,8.DOI:10.12084/j.issn.2096-3289.2022.02.006
基于环曲面方程的渐进多焦点眼用镜片优化设计
Optimization design of progressive addition lenses based on the toric equation
摘要
Abstract
A method for designing and optimizing progressive addition lenses (PALs) was proposed. The vector height of surface was calculated by the toric equation. Compared with the lens designed by the spherical equation ,the curvature of the lens in x direction and y direction can be separately controlled. The optimization method can effectively reduce the astigmatism of the lens. Spherical and toric equations were used to design the lenses respectively ,with the same lens pa- rameters. Then lenses processing was performed,and the samples were obtained and tested. The results show that the ad- dition power (ADD) of the PALs designed by the two methods is basically the same. The width of the area with astigma- tism greater than 1.50 D on the left side of the lens designed by the toric equation is reduced by 1.70 mm. And the one on the right side is reduced to 0 as well. The width of the near vision zone with astigmatism less than 0.50 D is increased by 3.60 mm. Therefore,the design method by using the toric equation can effectively reduce the range of high astigmatism of the PALs and expand the wide range of the near zone visible area of the PALs simutaneously.关键词
光学设计/渐进多焦点眼用镜片/环曲面/光焦度/像散Key words
optical design/progressive addition lenses/toric/power/astigmatism分类
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张慧星,吴泉英,张海平,唐运海,陈晓翌,龚浩瀚,尹礼东..基于环曲面方程的渐进多焦点眼用镜片优化设计[J].苏州科技大学学报（自然科学版）,2022,39(2):37-44,8.基金项目
国家自然科学基金资助项目(61875145 （）
11804243) （）
江苏省"十三五""十四五"重点学科项目(20168765 （）
2021135) （）
江苏省高等学校自然科学研究重大项目(18KJA470004) （18KJA470004）
苏州市重点实验室项目(SZS201202) （SZS201202）
苏州市科技计划项目(SYG202013) （SYG202013）
