J Korean Med Assoc.  2019 Dec;62(12):623-628. 10.5124/jkma.2019.62.12.623.

Surgical treatment of presbyopia II

• Kim EC

• KMID: 2465356
• DOI: http://doi.org/10.5124/jkma.2019.62.12.623

Abstract

This review gives an overview of the current multifocal intraocular lenses (IOLs) landscape, in terms of the technology, benefits, and limitations of different premium IOLs, as well as significant clinical outcomes. Cataract is the most common cause of visual impairment in older adults. From 1980, the number of blind and visually impaired people have decreased due to cataract surgery. As the number of surgical procedures increases every year, patient demands have also changed with many patients expecting excellent visual acuity without glasses. Multifocal IOLs can provide spectacle-independence for near, intermediate, and distant vision tasks. Multifocal IOLs can be classified into bifocal, trifocal, and extended depth of focus multifocal IOLs. The ultimate goal of multifocal lenses includes reduced incidence of photic phenomena, and improved uncorrected near, intermediate, and far visual acuities for those working with computers and smartphones, as well as no contrast sensitivity loss. Although some patients have issues with halos and glare, overall patient satisfaction and quality of life are generally high after multifocal IOL implantation. Careful patient selection should be made to satisfy different individual needs.

Keyword

Presbyopia; Multifocal intraocular lenses; Cataract

MeSH Terms

Adult
Cataract
Contrast Sensitivity
Eyeglasses
Glare
Glass
Humans
Incidence
Lenses, Intraocular
Patient Satisfaction
Patient Selection
Presbyopia*
Quality of Life
Smartphone
Vision Disorders
Visual Acuity

Figure

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  Figure 1 Refraction. The change in direction of a light passing from one medium to another.

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  Figure 2 Diffraction. The waves of light can be generated through small aperture.

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  Figure 3 Refractive multifocal intraocular lens: ReZoom (courtesy of AMO).

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  Figure 4 Refractive multifocal Intraocular lens: Precizon (courtesy of Ophtech).

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  Figure 5 The surface of diffractive multifocal intraocular lens.

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  Figure 6 Apodization of diffractive multifocal intraocular lens (courtesy of Alcon).

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  Figure 7 Small aperture enhanced depth of field intraocular lens (courtesy of AcuFocus).

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