Influence of angle kappa on visual and refractive outcomes after implantation of a diffractive trifocal intraocular lens

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dc.contributor.authorGarzón Jiménez, Nuria
dc.contributor.authorGarcía Montero, María
dc.contributor.authorLópez Artero, Esther
dc.contributor.authorAlbarrán Diego, Cesar Antonio
dc.contributor.authorPérez Cambrodí, Rafael José
dc.contributor.authorIllarramendi Mendicute, Igor
dc.contributor.authorPoyales Galán, Francisco
dc.date.accessioned2023-06-16T15:16:22Z
dc.date.available2023-06-16T15:16:22Z
dc.date.issued2020-02-14
dc.descriptionReceived April 05, 2019; revised form November 27, 2019; Accepted February 08, 2020
dc.description.abstractPurpose: To evaluate changes in angle kappa following the implantation of a trifocal intraocular lens (IOL), and to assess the postoperative outcomes of patients with different angle kappa values. Setting: IOA Madrid Innova Ocular, Madrid, Spain Design: Prospective trial Methods: Sixty-three patients due to have bilateral implantation of the diffractive trifocal IOL (POD F, PhysIOL, Belgium) were included. Pupil offset was used as the best estimate of angle kappa and was measured using Pentacam (Oculus, Wetzlar, Germany) preoperatively and at 3-months after surgery. Postoperative refractive outcomes (sphere, cylinder, and MRSE) and visual outcomes at far, intermediate and near distance were assessed and compared between eyes with small pupil offset and eyes with large pupil offset. Quality of vision was assessed using a subjective questionnaire. Results: There was significant decrease in pupil offset post-operatively (mean: 0.197 ± 0.12 mm) compared to preoperatively (mean: 0.239 ± 0.12 mm), with a mean decrease of -0.042 mm (P = 0.0002). The same significant decrease was found for both the right eyes and left eyes, when analysed separately. No statistically significant difference was found in any of the refractive and visual acuity outcomes between eyes with small pupil offset and eyes with large pupil offset. The majority of patients (14 out of 16) complaining of significant halos had eyes with small pupil offset. Conclusion: Large pupil offset did not negatively affect visual and refractive outcomes. The tolerance to larger pupil offset might be due to the IOL optical design, with the first diffractive ring being larger than other commonly used multifocal IOLs. More studies comparing various diffractive IOL models will be useful to confirm such hypothesis.
dc.description.departmentDepto. de Optometría y Visión
dc.description.facultyFac. de Óptica y Optometría
dc.description.refereedTRUE
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/59663
dc.identifier.doi10.1097/j.jcrs.0000000000000156
dc.identifier.issn0886-3350
dc.identifier.officialurlhttp://dx.doi.org/10.1097/j.jcrs.0000000000000156
dc.identifier.relatedurlhttps://journals.lww.com/jcrs/Abstract/publishahead/Influence_of_angle_kappa_on_visual_and_refractive.99915.aspx
dc.identifier.urihttps://hdl.handle.net/20.500.14352/6101
dc.journal.titleJournal of cataract and refractive surgery
dc.language.isoeng
dc.publisherWolter Kluwer
dc.rights.accessRightsopen access
dc.subject.cdu681.73
dc.subject.cdu617.741-004.1
dc.subject.cdu617.75
dc.subject.cdu617.7-001.15
dc.subject.keywordAngle kappa
dc.subject.keywordPhotic phenomena
dc.subject.keywordVisual outcomes
dc.subject.keywordDiffractive intraocular lens
dc.subject.keywordCataract surgery
dc.subject.keywordPupil offset
dc.subject.ucmCirugía
dc.subject.ucmOftalmología
dc.subject.ucmOptometría
dc.subject.ucmÓptica oftálmica
dc.subject.unesco3213 Cirugía
dc.subject.unesco3201.09 Oftalmología
dc.subject.unesco2209.15 Optometría
dc.titleInfluence of angle kappa on visual and refractive outcomes after implantation of a diffractive trifocal intraocular lens
dc.typejournal article
dspace.entity.typePublication
relation.isAuthorOfPublication367ce491-287f-4b2a-ba6a-870a393c5609
relation.isAuthorOfPublication9b637d56-481e-40c6-a0e6-eb4de92e663c
relation.isAuthorOfPublication.latestForDiscovery367ce491-287f-4b2a-ba6a-870a393c5609
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