Cataract Clinical Trial
Official title:
Comparison of Clinical Outcome After Implantation With Two Different Multifocal Toric Intraocular Lens: Liberty Trifocal 677MTY (Medicontur) and PanOptix® Multifocal Toric (Alcon) Lens, With Respect to Rotational Stability, Visual Outcomes, Patients' Satisfaction, YAG Capsulotomy Rate
This study is to compare the rotational stability, visual outcome and patient satisfaction after implantation with either Liberty 677MTY, a multifocal diffractive-refractive IOL based on EPS technology manufactured by Medicontur Ltd. (Zsámbék, Hungary) or the multifocal toric IOL PanOptix®, manufactured by Alcon.
According to numerous estimations, 15% to 29% of patients with cataract have more than 1.5 diopters of refractive astigmatism. Corneal astigmatism can be reduced with a variety of surgical techniques including selective positioning of the phacoemulsification incision, corneal relaxing incision, implantation of toric IOLs, photorefractive keratectomy and there are first results of implantation of short arc-length intrastromal corneal ring segments for correcting astigmatism and myopia . The use of toric IOLs to reduce visually significant keratometric astigmatism offers a rational, more predictable and stable method of refractive correction. Implanting a toric intraocular lens offers the possibility of correcting not only spherical equivalent of refraction, but also astigmatism. The success of a toric IOL can be judged not only by its ability to reduce refractive astigmatism immediately postoperatively, but also by its ability to maintain a stable position in the capsular bag in the longer term. Even a small rotational deviation of the toric IOL from its intended axis can result in large reduction of the astigmatic correction. The purpose of this study is to evaluate and compare the visual outcomes, glass independency, visual disturbances (glares, halos), neuronal adaptation and patient satisfaction after implantation with either Liberty 677MTY , a multifocal diffractive apodized toric intraocular lens-- diffractive-refractive IOL based on EPS technology manufactured by Medicontur Ltd. (Zsámbék, Hungary) or the multifocal toric PanOptix®, manufactured by Alcon. ;
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