September 19, 2016
The development of cataracts induces a decrease of the visual acuity, of the transparency, as alterations in the colour and contrast vision mainly. In these situations, it is necessary to replace the opacified crystalline lens by an Intraocular Lens (IOL) to restore the transparency and improve the visual quality. Concretely, different advances in cataract surgical procedure as the introduction of Minimal Incision Cataract Surgery (MICS) have been realized. Likewise, another innovation introduced recently in the procedure is the advent of the femtosecond laser, which allows performing the corneal incision, capsulorhexis, and the crystalline lens fragmentation. Aspired the crystalline lens with phacoemulsification technique, subsequently is necessary to implant an intraocular lens. Indeed, multifocal IOLs have experimented significant advantages in its design, improving the vision at all distances from near to distance vision, even in intermediate vision and in night conditions.
Innovations developed in intraocular lenses allows that multifocal IOLs be implanted in cataract and presbyopia patients, precisely this last surgery is known as refractive lens exchange. Concretely, different innovations to improve the vision at all distances by means of the introduction of diffractive, refractive, trifocal, extended depth of focus, hybrid refractive-diffractive or asymmetrical rotation IOLs have been developed. For example, the introduction of aspherical designs provides considerably better vision in night conditions compared with spherical IOLs. Likewise, improvements in multifocal IOLs to enhance intermediate vision have been realized. Concretely, intermediate vision is very important to realize certain tasks in everyday life, as driving or to practice sports as golf, among other activities… Due to the improvements developed in multifocal IOLs, from ConsultoriaVisual.com, we plan content marketing and social media strategies about its operating principle, its optical quality, as the postoperative visual examination. Our strategies will allow that the patients of the ophthalmological clinics and hospitals receive more information about multifocal IOLs. In addition, from our international project, we realize customized strategies to spread the innovations developed in multifocal IOLs for postgraduate courses and master’s degrees.
References of the author:
1. Alió JL, Piñero DP, Tomás J, Plaza AB. Vector analysis of astigmatic changes after cataract surgery with implantation of a new toric multifocal intraocular lens. J Cataract Refract Surg. 2011 Jul; 37(7):1217-29.
2. Javier Tomás-Juan. Multifocal IOLs with apodized diffractive central zone and refractive periphery: optical performance and clinical outcomes. J Emmetropia 2014; 5: 155-166.
3. Jorge L. Alió, David P. Piñero, Javier Tomás, Ana B. Plaza. Vector analysis of astigmatic changes occurring after cataract surgery with implantation of a new multifocal toric intraocular lens. European Society of Cataract & Refractive Surgeons, ESCRS. Viena 2011.
4. Mojzis P, Piñero DP, Studeny P, Tomás J, Korda V, Plaza AB et al. Comparative analysis of clinical outcomes obtained with a new diffractive multifocal toric intraocular lens implanted through two types of corneal incision. J Refract Surg. 2011 Sep; 27(9):648-57.
Categories: Technology; Intraocular Lenses; Cataracts; Presbyopia
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