Visual performance of a new trifocal intraocular lens design evaluated with a clinical adaptative optics visual simulator

• Anabel Martínez-Espert ^[1] ; Diego Montagud-Martínez ^[1] ; Vicente Ferrando ^[2] ; Salvador García-Delpech ^[3] ; Juan A. Monsoriu ^[2] ; Walter D. Furlan ^[1]
  1. [1] Universitat de València

     Universitat de València

     Valencia, España

     
  2. [2] Universidad Politécnica de Valencia

     Universidad Politécnica de Valencia

     Valencia, España

     
  3. [3] Clínica Aiken, Fundación Aiken, Valencia, Spain

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• Localización: Journal of Optometry: peer-reviewed Journal of the Spanish General Council of Optometry, ISSN-e 1888-4296, Vol. 17, Nº. 4, 2024, págs. 66-70
• Idioma: inglés
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• Resumen

  • Objective The digital transformation of daily routines has increased visual demands, especially at intermediate and near distances. The Devil multifocal intraocular lens (MIOL) design was developed to enhance intermediate visual performance. This design is a novel trifocal intraocular lens inspired by the fractal structure known as the 'Devil's staircase'. The aim of this research is to evaluate the visual performance of the Devil MIOL design in real patients.

    Methods The visual acuity defocus curve was obtained from 25 eyes of healthy volunteers using the Visual Adaptive Optics Simulator (VAO, Voptica SL, Murcia, Spain). Additionally, images of optotypes simulating those seen through the Devil MIOL design were captured to qualitatively illustrate optotype perception at different vergence values.

    Results Mean visual acuity values of the evaluation were 0.03 logMAR at 0.00 D vergence, 0.10 logMAR at +1.50 D vergence, and 0.11 logMAR at +3.00 D vergence, corresponding to far (optical infinity), intermediate (66.7 cm), and near foci (33.3 cm), respectively. The experimental outcomes were indeed slightly better than numerical results obtained previously in a model eye.

    Conclusions The Devil MIOL design provides satisfactory visual acuity across three primary foci and produces extended depth of focus between the intermediate and near foci.