Myopic Correction with Iris-Fixated Phakic Intraocular Lenses: Twelve-Year Results.
Journal
Journal of ophthalmology
ISSN: 2090-004X
Titre abrégé: J Ophthalmol
Pays: United States
ID NLM: 101524199
Informations de publication
Date de publication:
2021
2021
Historique:
received:
23
06
2021
accepted:
21
09
2021
entrez:
18
10
2021
pubmed:
19
10
2021
medline:
19
10
2021
Statut:
epublish
Résumé
To evaluate a 12-year follow-up of myopic patients after iris-fixated phakic intraocular lenses (IF pIOLs) implantation. Single-center retrospective cohort study. We describe the results of a cohort study that included 85 eyes of 46 myopic patients who underwent implantation of Verisyse myopia, Veriflex, and Verisyse myopia toric (all Abbott Medical Optics, Inc.) intraocular lenses. Refractive functions and adverse events were assessed preoperatively, at 6 months, and 1, 2, 5, and 12 years after IF pIOL implantation. Mean spherical equivalent was measured as -9.37 ± 2.87 D, 0.14 ± 0.61 D, and -0.42 ± 1.08 D, preoperatively, at 6 months and 12 years postoperatively, respectively. There was a significant reduction in the cylinder after surgery. At 12 years postoperatively, 90% of eyes had uncorrected distance visual acuity (UDVA) of 20/40 and 64% of 20/20. The safety index was 1.10 for the whole postoperative follow-up period. We found cataract formation in 3 eyes (3.5%). The endothelial cells loss (EC loss) directly caused by IF pIOL implantation was 6.0%, 8.10%, 12.8%, and 11.9%, at 1, 2, 5, and 12 years, respectively. In our cohort, 95% of eyes lost a higher percentage of EC than would be expected from a physiological loss at 12 years postoperatively. We found a significant negative interaction between preoperative pachymetry and EC loss, indicating that the lower pachymetry leads to a faster decline in endothelial cells density (ECD). IF pIOL re-enclavation was found in 28% of eyes. 7% of subluxations were caused by trauma. The mean time of nontraumatic re-enclavation was 6 years postoperatively. The study confirmed the advantages of IF pIOL implantation due to rapid visual recovery and stable visual function over the 12-year follow-up and also showed the influence of lower corneal pachymetry regarding EC loss.
Identifiants
pubmed: 34659825
doi: 10.1155/2021/7027793
pmc: PMC8516571
doi:
Types de publication
Journal Article
Langues
eng
Pagination
7027793Informations de copyright
Copyright © 2021 Iveta Nemcova et al.
Déclaration de conflit d'intérêts
The authors declare that there are no conflicts of interest regarding the publication of this study.
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