Simulation Captures Performance With Multifocal Intraocular Lens

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Simulation Captures Performance With Multifocal Intraocular Lens
Simulation Captures Performance With Multifocal Intraocular Lens

MONDAY, Feb. 11, 2019 (HealthDay News) -- Visual simulation in an adaptive optics (AO) environment can capture optical and visual performance with real multifocal intraocular lenses (M-IOLs), according to a study published online Feb. 7 in Scientific Reports.

Maria Vinas, Ph.D., from the Institute of Optics in Madrid, and colleagues compared through-focus (TF) optical and visual quality produced by real M-IOLs projected onto a patient's eye with the same designs simulated with a spatial light modulator (SLM) or an optotunable lens working in temporal multiplexing mode (SimVis technology). Using a custom-made multichannel three-active optical-elements polychromatic AO visual simulator in monochromatic light, researchers performed measurements on seven cyclopleged patients.

Performance of the real IOLs, SLM, and SimVis technology simulations on bench was demonstrated using double-pass imaging on an artificial eye. The researchers found that TF performance demonstrated good general correspondence for the real and simulated M-IOLs, optically (on bench) and visually (measured visual acuity in patients).

"Visual simulators are an ideal technique to provide patients with a new realistic experience of multifocality before the implantation of a new intraocular lens," a coauthor said in a statement. "In addition, if the simulator is miniaturized and has a more practical design than the ones currently available in the market, benefits could multiply."

Several authors disclosed financial ties to 2EyesVision; one author holds several patents.

Abstract/Full Text

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