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Analysis after posterior chamber phakic intraocular lens implantation: 17- to 19-year follow-up study. | LitMetric

AI Article Synopsis

  • The study aimed to assess the long-term clinical outcomes of the Visian implantable collamer lens (ICL) after a follow-up of at least 17 years.
  • The analysis involved 70 eyes from 38 patients, examining pre-surgery and post-surgery data, including visual acuity, eye pressure, and endothelial cell count.
  • Results showed that the ICL provided stable vision correction with low risk, as most patients maintained good visual acuity and eye health even after nearly two decades.

Article Abstract

Purpose: To evaluate the clinical outcomes of the Visian implantable collamer lens (ICL) in eyes with ≥17 years of follow-up.

Setting: Single-center.

Design: Retrospective observational study.

Methods: 70 eyes from 38 patients who underwent surgery between 2002 and 2006 with V4 ICL implantation were analyzed. Preintervention data included corrected distance visual acuity (CDVA), refraction, and intraocular pressure (IOP). At the 19-year mark, CDVA, refraction, IOP, endothelial count, and vault were measured using Tomey Casia 2 anterior pole tomography, along with recording long-term events.

Results: The operated patients had a spherical correction between -4 diopters (D) and -21 D and a cylinder up to 7.5 D. The mean CDVA (decimal) at the 17-year check-up was 0.89 ± 0.18, with a spherical equivalent of -1.05 ± 1.36 D. IOP has remained stable because mean measurements before surgery and currently were 15.16 ± 2.54 mm Hg and 16.19 ± 3.29 mm Hg, respectively. The endothelial cell count showed values of 2191 ± 386 cells/mm2, with a maximum of 2804 cells and a minimum of 1125 cells. Finally, the vault obtained was 348.53 ± 234.58 mm. Over the years, 2 eyes developed angle-closure glaucoma and 9 eyes were operated on for the development of anterior subcapsular cataracts.

Conclusions: Visian ICL implantation demonstrated long-term visual and refractive stability, indicating it as a low-risk procedure. The ICL V4 model yielded satisfactory results for myopia and astigmatism correction after 17 years.

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Source
http://dx.doi.org/10.1097/j.jcrs.0000000000001469DOI Listing

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