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Visual performance of AcrySof ReSTOR apodized diffractive IOL: a prospective comparative trial.

Carlos E Souza1, Cristina Muccioli, Eduardo S Soriano

  • 1Vision Institute, Federal University of São Paulo, São Paulo, Brazil. ce.bsouza@uol.com.br

American Journal of Ophthalmology
|March 21, 2006
PubMed
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The AcrySof ReSTOR intraocular lens (IOL) offers a full range of vision and improved quality of life compared to monofocal IOLs. However, it resulted in lower contrast sensitivity in this study.

Area of Science:

  • Ophthalmology
  • Biomedical Engineering
  • Optometry

Background:

  • Cataract surgery aims to restore vision.
  • Intraocular lenses (IOLs) are implanted to replace the clouded natural lens.
  • Multifocal IOLs offer a range of vision, but their performance relative to traditional monofocal IOLs requires evaluation.

Purpose of the Study:

  • To evaluate the visual performance of the AcrySof ReSTOR multifocal intraocular lens (IOL).
  • To compare the ReSTOR IOL with the standard monofocal SA60AT IOL in patients undergoing cataract surgery.

Main Methods:

  • A prospective, nonrandomized clinical trial involving 40 patients (80 eyes).
  • Patients were divided into two groups: 25 receiving the ReSTOR IOL and 15 receiving the monofocal SA60AT IOL.

Related Experiment Videos

  • Visual acuity (distance and near), contrast sensitivity, stereopsis, reading speed, and quality of life were assessed.

    • Main Results:

    • The ReSTOR IOL group showed statistically significantly better uncorrected and distance-corrected near visual acuity compared to the monofocal group.
    • Distance visual acuity was comparable between the two IOL groups.
    • The ReSTOR group exhibited reduced spherical aberrations but also lower photopic contrast sensitivity.

    Conclusions:

    • The AcrySof ReSTOR IOL provides a satisfactory range of vision and enhances quality of life compared to the monofocal SA60AT IOL.
    • Patients receiving the ReSTOR IOL reported a more satisfactory quality of life.
    • A trade-off exists, with the ReSTOR IOL offering broader visual function at the cost of reduced contrast sensitivity.