Publication: First Results after Implantation of Hydrophilic and Hydrophobic Trifocal Intraocular Lenses: Visual and Optical Performance
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Publication Date
2021-12-18
Authors
Poyales Galán, Francisco
Pérez Izquierdo, Ricardo
López Brea, Israel
Zhou, Ying
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Hindawi Publishing Corporation
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Abstract
Purpose. To compare postcataract surgery visual and optical performance between two trifocal intraocular lenses (IOLs) with the same optical design: a hydrophobic acrylic glistening-free IOL and a hydrophilic acrylic IOL.
Methods. Patients were bilaterally implanted with either the hydrophobic or the hydrophilic IOL. The data of the patients’ right eyes were evaluated. Visual quality assessments included refractive outcomes, monocular visual acuity (VA) at far, intermediate, and near distances, defocus curve, aberrations (spherical aberration (SA)), root mean square (RMS) of corneal, internal, and total higher-order aberrations (HOAs)), and tilt of IOL.
Results. Fifty-one patients were included in the analysis: 26 patients implanted with the hydrophobic IOL and 25 patients implanted with the hydrophilic IOL. At 1 month, no statistically significant differences were found for monocular uncorrected and corrected VA at distance, distance-corrected VA at intermediate and near, defocus curve, manifest spherical equivalent, total SA, and RMS of the total, internal, and corneal HOA.
The defocus curve of both groups showed a visual acuity of 0.3 logMAR or better in the intermediate range from 0.5 to −2.5 D of vergence level with no significant differences between the groups. Compared to the hydrophilic group, y-direction tilt was significantly higher in the hydrophobic group (p=0.027). The total tilt and x-axis tilt did not differ between the groups.
Conclusion. Both IOLs demonstrated an excellent quality of vision and provided the patient with a wide range of vision.
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Received 2 May 2021; Accepted 22 November 2021