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Multifocal intraocular lenses.

R J Duffey1, R W Zabel, R L Lindstrom

  • 1Department of Ophthalmology, University of Minnesota, Minneapolis 55455.

Journal of Cataract and Refractive Surgery
|July 1, 1990
PubMed
Summary
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Current multifocal intraocular lens designs use refractive or diffractive optics to improve focus. This study reviews four designs and early clinical results for two specific multifocal intraocular lenses.

Area of Science:

  • Ophthalmology
  • Optical Engineering

Background:

  • Multifocal intraocular lenses (IOLs) aim to restore vision at multiple distances.
  • Current IOL designs utilize refractive or diffractive principles to enhance the depth of focus.

Purpose of the Study:

  • To present information on four fundamental multifocal intraocular lens design concepts.
  • To summarize early clinical findings for two specific multifocal IOLs: the IOLAB Nuvue two-zone refractive multifocal and the 3M diffractive multifocal.

Main Methods:

  • Review of existing multifocal IOL design principles.
  • Summary of early clinical outcomes for selected refractive and diffractive multifocal IOLs.

Main Results:

  • Four basic multifocal intraocular lens design concepts were detailed.

Related Experiment Videos

  • Initial clinical data for the IOLAB Nuvue and 3M diffractive multifocal lenses were presented.

    • Conclusions:

    • The study provides an overview of multifocal IOL designs.
    • Early clinical results offer preliminary insights into the performance of specific refractive and diffractive multifocal IOLs.