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Intraocular lenses.

E S Rosen1

  • 1Manchester Cataract Centre at Manchester Royal Eye Hospital, England.

Current Opinion in Ophthalmology
|January 8, 1993
PubMed
Summary
This summary is machine-generated.

Despite advances, intraocular lens designs struggle with small-incision cataract surgery needs. Current materials like polymethyl methacrylate, silicone, and acrylics face challenges and ongoing evaluation for optimal patient outcomes.

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Area of Science:

  • Ophthalmology
  • Biomaterials Science
  • Surgical Technology

Background:

  • Cataract surgery has seen significant intraocular lens (IOL) design advancements.
  • Small-incision cataract surgery (SICS) requires IOLs that can be inserted through small incisions.
  • Current IOLs often necessitate enlargement of the incision, compromising the benefits of SICS.

Purpose of the Study:

  • To review recent developments in intraocular lens designs.
  • To identify challenges in matching IOL designs with SICS requirements.
  • To discuss the properties and controversies surrounding different IOL materials.

Main Methods:

  • Literature review of recent advancements in IOL design.
  • Analysis of material properties of polymethyl methacrylate, silicone, and acrylic polymers.

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  • Discussion of clinical evaluation status and controversies regarding IOLs.

    • Main Results:

    • No significant breakthroughs in IOL designs have occurred recently.
    • Existing IOLs require incision enlargement for insertion during SICS.
    • Polymethyl methacrylate is widely used, while silicone and acrylics are under consideration and evaluation.

    Conclusions:

    • There is a persistent need for IOL designs compatible with SICS.
    • Ongoing research and clinical evaluation are necessary for new IOL materials like acrylics.
    • Phakic IOLs for high myopia require further long-term safety data.