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Related Experiment Videos

[Phacoemulsification and flexible implants]

J M Lemagne1, B Guillaume, S Colonval

  • 1Cliniques Universitaires St. Luc, service d'ophtalmologie, Bruxelles.

Bulletin De La Societe Belge D'Ophtalmologie
|January 1, 1993
PubMed
Summary

This study found no significant change in astigmatism after cataract surgery using a specific silicone intraocular lens (SI-18NB). Postoperative complications were infrequent, suggesting a favorable safety profile for this intraocular lens.

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Area of Science:

  • Ophthalmology
  • Biomedical Engineering
  • Materials Science

Context:

  • Cataract surgery is a common procedure to restore vision.
  • Intraocular lens (IOL) technology is continuously evolving.
  • Assessing the refractive outcomes and safety of new IOLs is crucial.

Purpose:

  • To evaluate the impact of a flexible silicone intraocular lens (SI-18NB) on postoperative astigmatism.
  • To assess the incidence of postoperative complications following SI-18NB implantation.
  • To compare the outcomes with established intraocular lens materials like Polymethylmethacrylate (PMMA).

Summary:

  • A study involving 170 eyes investigated astigmatism changes after phacoemulsification and SI-18NB implantation.
  • No statistically significant difference was observed between preoperative and postoperative mean astigmatism at 7 days and 1 month.

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  • Complications were infrequent, indicating a good safety profile for the SI-18NB.

    • Impact:

    • Provides evidence for the refractive stability of SI-18NB IOLs.
    • Suggests that SI-18NB IOLs are associated with a low rate of complications.
    • Offers valuable data for ophthalmologists selecting IOLs for cataract surgery.
    • Contributes to the understanding of silicone IOL performance compared to PMMA IOLs.