Design of personalized progressive addition lenses

TANG Yun-hai; WU Quan-ying; QIAN Lin; LIU Lin

doi:10.3788/OPE.20122012.2638

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Design of personalized progressive addition lenses

Article | 更新时间：2020-08-13

- Design of personalized progressive addition lenses
- Optics and Precision Engineering Vol. 20, Issue 12, Pages: 2638-2644(2012)
- 作者机构：
  
  1. 苏州科技学院数理学院,江苏苏州,215009
  2. 苏州大学物理科学与技术学院,江苏苏州,215006
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20122012.2638
  CLC： O435;TS959.6
- Received：20 April 2012，
  
  Revised：13 June 2012，
  
  Published：10 December 2012
- 稿件说明：
移动端阅览
唐运海, 吴泉英, 钱霖, 刘琳. 渐进多焦点眼用镜片的个性化设计[J]. 光学精密工程, 2012,20(12): 2638-2644

TANG Yun-hai, WU Quan-ying, QIAN Lin, LIU Lin. Design of personalized progressive addition lenses[J]. Editorial Office of Optics and Precision Engineering, 2012,20(12): 2638-2644
唐运海, 吴泉英, 钱霖, 刘琳. 渐进多焦点眼用镜片的个性化设计[J]. 光学精密工程, 2012,20(12): 2638-2644 DOI： 10.3788/OPE.20122012.2638.

TANG Yun-hai, WU Quan-ying, QIAN Lin, LIU Lin. Design of personalized progressive addition lenses[J]. Editorial Office of Optics and Precision Engineering, 2012,20(12): 2638-2644 DOI： 10.3788/OPE.20122012.2638.

摘要

介绍了渐进多焦点眼用镜片的渐变通道和视近区位置的个性化设计方法。推导出与眼用镜片佩戴者瞳距

镜片到眼球旋转中心的距离

镜片球光度分布以及与镜片的棱镜效应相关的镜片矢高偏移公式

并将该公式引入渐进多焦点眼用镜片设计中。在给出的设计实例中

镜片视远区中心点偏移了0.5 mm

视近区中心点偏移了3 mm。与对称设计相比

偏移后视远区和阅读区的屈光度变化在0.03 m

-1

以内。视远区散光度分布没有因为镜片通道和视近区的位置偏移而改变

保持了视远区屈光度和散光度分布的对称性。该个性化设计方法使老视眼患者在视近物时

视线自然地通过渐进多焦点眼用镜片的渐变通道或视近区

且该处的屈光度也与视物所需屈光度相符

提高了渐进多焦点眼用镜片佩戴者的佩戴舒适度和适应这种镜片的能力。

Abstract

A design method of personalized progressive addition lenses is illustrated. The formula for determining the insets of progressive addition lenses is proposed based on the condition data of a lens-wearer and the prism effects of lenses. The condition data include the dioptric power of progressive lenses on a meridian line

the pupillary distance between both eyes for distance vision and the distance from the rotation centre of eyeball to the lens. The formula is induced to the design of the progressive addition lenses

and a design example is given. It shows that the insets of the center of the distance-vision zone and the near-vision zone are 0.5 mm and 3 mm

respectively. Compared with the symmetry design

the change of dioptric power is within 0.03 m

-1

for the distance-vision zone and the near-vision zone. The symmetry of the dioptric power and the astigmatism of the progressive addition lens are retained on the distance-vision zone. The personalized design provides a pair of progressive addition lenses for lens-wearers through an adequate clear view for both eyes that can be obtained for various distance visions.

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references

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