Accommodation through simulated multifocal optics

PLUTO / PLUTO-2 Spatial Light Modulators
Adaptive Optics / Wavefront Control
Published on:
Authors: Vedhakrishnan, Shrilekha; de Castro, Alberto; Vinas, Maria; Aissati, Sara & Marcos, Susana
Abstract:
“We evaluated the interaction of multifocal patterns with eye’s accommodation. Seven patterns were mapped on the spatial light modulator and the deformable mirror of an adaptive optics visual simulator, and projected onto the subjects eyes, representing different contact lens designs: NoLens, Bifocal Center Distance (+2.50D), Bifocal Center Near (+2.50D) and Multifocal Center Near-MediumAdd (+1.75D) and Center Near HighAdd (+2.50D), positive and negative spherical aberration (±1µm). The change in spherical aberration and the accommodative response to accommodative demands were obtained from Hartmann-Shack measurements. Positive spherical aberration and Center Distance designs are consistent with a higher accommodative response (p=0.001 & p=0.003): steeper shift of SA towards negative values and lower accommodative lag.”

Open Access

Publication: Biomedical Optics Express
Issue/Year: Biomedical Optics Express, Volume 13; Number 12; Pages 6695; 2022
DOI: 10.1364/boe.473595
Link: https://doi.org/10.1364/boe.473595

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