Refractive results, vision and satisfaction in patients following multifocal intraocular lens implant
2020
Cataract surgery today with the phacoemulsification technique and intraocular lens implantation is one of the safest and most widely used procedures in hospitals (1).
To date, monofocal intraocular lens implants have given cataract surgery patients a good quality of vision, adjusting both eyes in distance vision or in monovision: one eye for distance vision and the other for near vision (2).
Currently the challenge of correcting presbyopia and the appearance of new multifocal lenses mean that more and more of these lenses are being implanted following the extraction of the crystalline lens (3).
Of all the multifocal lens designs, our project is based on the diffractive lenses, which use multiple concentric rings to divide the incoming beam of light, creating waves that give us a focal point when they are in the same phase. The bifocal effect of a diffractive lens is achieved causing the simultaneous formation of both far and near foci, because of the diffractive system of the rings (4).
This alternative for correcting presbyopia with the implantation of multifocal lenses (5) is controversial because of the quality of near and intermediate vision, halos, and glare, as well as patient satisfaction.
The objetive of our study is to analyze these topics to evaluate the effectiveness and safety of these lenses.
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