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Chin. Opt. Lett.
 Home  List of Issues    Issue 09 , Vol. 16 , 2018    10.3788/COL201816.093301


Design of double-zone aspheric diffractive intraocular lens with extended depth of focus
Yayan Bian, Yongji Liu, and Lai Jiang
Institute of Modern Optics, [Nankai University], Tianjin 300350, China

Chin. Opt. Lett., 2018, 16(09): pp.093301

DOI:10.3788/COL201816.093301
Topic:Vision, color, and visual optics
Keywords(OCIS Code): 330.4460  220.2740  330.7323  050.1965  

Abstract
A double-zone aspheric diffractive intraocular lens (IOL) was designed and manufactured aiming to regain a continuous range of clear vision for pseudophakic presbyopia. After obtaining the IOL structure parameters through optimization based on an aphakic model eye, its imaging performances were analyzed in the model eye. The modulation transfer function at 50 cycles/mm remained above 0.29 within ±5° field of view for object distance ranging from 6 to 0.66 m. In addition, the imaging qualities are robust for pupil changes, polychromatic light, and different corneal asphericities. The manufactured IOL exhibits the ability to extend depth of focus.

Copyright: © 2003-2012 . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Received:2018/5/21
Accepted:2018/7/25
Posted online:2018/8/29

Get Citation: Yayan Bian, Yongji Liu, and Lai Jiang, "Design of double-zone aspheric diffractive intraocular lens with extended depth of focus," Chin. Opt. Lett. 16(09), 093301(2018)

Note: This work was supported by the National Natural Science Foundation of China (No. 11474172).



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