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Daily disposable multifocal compares favorably to monovision
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A researcher found greater areas of focus in the intermediate and near zones for multifocal contact lens vision correction in comparison to monovision correction, according to a study presented at the British Contact Lens Association meeting in Liverpool.
Researcher Robert Montes-Mico, OD, MPhil, PhD, of the University of Valencia, Spain, reported in a press release from Alcon: “Our results suggest that multifocal contact lenses provide better visual performance than monovision for established presbyopes.”
Montes-Mico compared Alcon’s Dailies Aquacomfort Plus multifocal contact lenses to nelfilcon A single vision contact lenses fitted for monovision in 24 patients with established presbyopia. Area of focus for the distance, intermediate and near regions were calculated from the individual binocular defocus curves, according to the release, and additional assessments included high- and low-luminance visual acuity, contrast sensitivity and stereoacuity.
The researchers found that the multifocal contact lenses allowed larger areas of focus in the near and intermediate regions and also provided better stereoacuity.
Reference:
Montes-Mico R. Visual performance assessment of multifocal soft contact lenses vs. monovision using defocus curves. Poster presented at: Annual Meeting of the British Contact Lens Association; May 2015; Liverpool, UK.
Disclosure: Alcon sponsored this study.