Geometric-phase Intraocular Lenses with Multifocality

Overview

Journal Light Sci Appl

Publisher Springer Nature

Date 2022 Nov 3

PMID 36323667

Authors

Seungmin Lee

Gayeon Park

Seonho Kim

Yeonghwa Ryu

Jae Woong Yoon

Ho Sik Hwang

In Seok Song

Chang Sun Lee

Seok Ho Song

Affiliations

Soon will be listed here.

Abstract

We demonstrate a new type of multifocal and extended depth of focus (EDOF) intraocular lenses (IOLs) embedding μm-thin geometric phase (GP) lens layers. As an emerging approach for lens phase design, the GP modulated IOLs outperform conventional diffractive IOLs in multifocality while completely avoiding the clinically undesirable demand for additional surface patterns to standard monofocal IOL designs. The number of foci and light splitting ratio of the GP IOLs are adjusted by changing the number of stacked GP layers and the thickness of each layer. Bifocal and trifocal GP IOLs are fabricated by radial alignment of anisotropic orientation in UV-curable liquid crystal polymers. After characterizing the defocus image and modulation transfer function of the GP IOLs, it is expected that GP IOLs will alleviate the most common problems associated with multifocal and EDOF IOLs, blurred vision and photic phenomena caused by light scattering and posterior capsule opacification.

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