Objective method for visual performance prediction

PLUTO / PLUTO-2 Spatial Light Modulators
Adaptive Optics / Wavefront Control Misc.: Speckle / Characterization / Metrology
Published on:
Authors: Torres-Sepúlveda, Walter; lveda; Mira-Agudelo, Alejandro; Barrera-Ramirez, John Fredy & Kolodziejczyk, Andrzej
Abstract:
“We propose, implement, and validate a new objective method for predicting the trends of visual acuity through-focus curves provided by specific optical elements. The proposed method utilized imaging of sinusoidal gratings provided by the optical elements and the definition of acuity. A custom-made monocular visual simulator equipped with active optics was used to implement the objective method and to validate it via subjective measurements. Visual acuity measurements were obtained monocularly from a set of six subjects with paralyzed accommodation for a naked eye and then that eye compensated by four multifocal optical elements. The objective methodology successfully predicts the trends of the visual acuity through-focus curve for all considered cases. The Pearson correlation coefficient was 0.878 for all tested optical elements, which agrees with results obtained by similar works. The proposed method constitutes an easy and direct alternative technique for the objective testing of optical elements for ophthalmic and optometric applications, which can be implemented before invasive, demanding, or costly procedures on real subjects.”

Restricted Access

Publication: Journal of the Optical Society of America A
Issue/Year: Journal of the Optical Society of America A, Volume 40; Number 4; Pages C138; 2023
DOI: 10.1364/josaa.478022
Link: https://doi.org/10.1364/josaa.478022

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