Optical imaging properties and predicted visual resolution of two presbyopia-correcting intraocular lenses

F Cuéllar¹*, F Vega¹, D Madrid-Costa² and M S Millán^1
1Applied Optics and Image Processing Research Group (GOAPI), Department of Optics and Optometry,
Universitat Politècnica de Catalunya Barcelona Tech, Terrassa, Spain
²Clinical and Experimental Eye Research (CEER), Optometry and Vision Department
Faculty of Optics and Optometry, Universidad Complutense de Madrid, Spain

Dedicated to Prof (Dr) Daniel Malacara-Hernández

This study compared the in vitro optical quality of a trifocal (OptiFlex Trio) intraocular lens (IOL) and an extended-depth-of-focus (EDOF) (Asqelio) IOL to predict post-cataract surgery visual acuity. Through-focus modulation transfer function (TF-MTF) was measured using an eye model with two pupil diameters: 3.0 mm and 4.5 mm (at the IOL plane)Visual acuity and range of vision were estimated from the area under the TF-MTF curve. For a 3.0 mm pupil, both IOLs predicted sustained visual acuity better than 0.2 logMAR from distance to -3.0 D (33 cm) vision. The EDOF IOL performed slightly better for distance and intermediate vision, while the trifocal IOL provided an additional 1D range, extending to near vision. Unwanted photopic side effects (halos) were analysed from pinhole image intensity. © Anita Publications. All rights reserved.
Doi: 10.54955/AJP.33.12.2024.805-814
Keywords: Cataract surgery, Intraocular lens, Multifocal lens, Extended depth of field, Modulation transfer function, Visual acuity.

Peer Review Information
Method: Single- anonymous; Screened for Plagiarism? Yes
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