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Visual And Refractive Outcomes In Hyperopic Pseudophakic Patients Implanted With A Trifocal Intraocular Lens
Authors Alfonso JF, Fernández-Vega-Cueto A, Alfonso-Bartolozzi B, Rodríguez-Uña I, Montés-Micó R
Received 30 August 2019
Accepted for publication 15 October 2019
Published 20 November 2019 Volume 2019:13 Pages 2261—2268
DOI https://doi.org/10.2147/OPTH.S229228
Checked for plagiarism Yes
Review by Single-blind
Peer reviewers approved by Dr Nicola Ludin
Peer reviewer comments 2
Editor who approved publication: Dr Scott Fraser
José F Alfonso,1,2 Andrés Fernández-Vega-Cueto,1 Belén Alfonso-Bartolozzi,1 Ignacio Rodríguez-Uña,1 Robert Montés-Micó3
1Corneal and Lens Surgery Department, Fernández-Vega Ophthalmological Institute, Oviedo, Spain; 2Surgery Department, School of Medicine, University of Oviedo, Oviedo, Spain; 3Optics and Optometry and Vision Sciences Department, Faculty of Physics, University of Valencia, Valencia, Spain
Correspondence: José F Alfonso
Instituto Oftalmológico Fernández-Vega, Avda. Dres. Fernández-Vega 114, Oviedo 33012, Spain
Tel +34 985 245533
Fax +34 985 233288
Email j.alfonso@fernandez-vega.com
Purpose: To assess visual and refractive results after bilateral implantation of a trifocal intraocular lens (IOL) in patients with hyperopia.
Methods: In a retrospective nonrandomized study, 196 eyes of 98 patients had bilateral implantation of a trifocal IOL. The Barrett Universal II formula was used for IOL power calculation. Eyes were divided into two groups for their analysis: low-moderate, with IOL power ranging from 22 to 26 D, and high, with IOL power ranging from 25 to 34 D. Refractive error was used to assess predictability, and corrected distance visual acuity (CDVA) and uncorrected distance visual acuity values were used to assess efficacy and safety of the surgery.
Results: Six months postoperatively, our results revealed a Snellen decimal CDVA of 0.97±0.05 and 0.94±0.09, for the low-moderate and high groups, respectively. The low-moderate hyperopia group showed a 75.23% of eyes with 20/20 of CDVA and 100% of eyes with 20/25 of CDVA, and the high hyperopia group showed 60.95% and 94.29% for these values of visual acuity, respectively. The mean postoperative spherical equivalent was −0.25±0.36D and −0.24±0.42D for low-moderate and high hyperopia groups, respectively. In the case of low-moderate hyperopia group, 81% of eyes were within ±0.50D and 99% within ±1.00D. These values were 78% and 95%, respectively, for the high hyperopic eyes.
Conclusion: Bilateral implantation of a trifocal IOL in hyperopic eyes provided good visual and refractive outcomes. The Barrett Universal II formula was accurate in predicting the IOL power in hyperopic eyes.
Keywords: hyperopia, trifocal intraocular lens, phacoemulsification, cataract
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