Shedding Light on Halos: Quantifying the Impact of the Diffractive Profile in Multifocal Intraocular Lenses.

ABSTRACT:

Purpose

Halos are the most common source of discomfort after implantation of diffractive multifocal intraocular lenses (MIOLs). Although multiple causes are attributed to halos, there is no clear consensus about the specific role of each factor, especially the diffractive profile. This study aims to quantify the isolated effect of the diffractive profile on halo formation using numerical modeling.

Methods

A simplified model eye was implemented in Zemax OpticStudio to simulate the optical performance of two different diffractive designs (sinusoidal and apodized kinoform) obtained from commercially available MIOLs. Simulations were performed for three pupil diameters under both monochromatic (green) and polychromatic illumination. To evaluate halo size, the half intensity diam

SUBMITTER: Martinez-Espert A 

PROVIDER: S-EPMC12811895 | biostudies-literature | 2026 Jan

REPOSITORIES: biostudies-literature