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Related Experiment Videos

A light adjustable lens with injectable optics.

Randall Olson1, Nick Mamalis, Brian Haugen

  • 1John Moran Eye Center, University of Utah, 50 N. Meidcal Drive, Salt Lake City, 84132, USA. randall.olson@hsc.utah.edu

Current Opinion in Ophthalmology
|January 27, 2006
PubMed
Summary
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New light adjustable lenses offer unprecedented refractive precision and restoration of accommodation for presbyopic adults. This technology customizes lens shape to correct aberrations and improve vision, potentially restoring youthful sight.

Area of Science:

  • Ophthalmology
  • Biomedical Engineering
  • Optics

Background:

  • Current refractive surgery limitations in correcting higher-order aberrations.
  • The challenge of restoring accommodation in presbyopic adults.
  • The need for advanced intraocular lens (IOL) technology.

Purpose of the Study:

  • To review existing and emerging technologies for advanced refractive correction.
  • To explore the potential of light-adjustable lenses (LALs) and injectable materials.
  • To assess the feasibility of restoring accommodation and correcting aberrations in presbyopia.

Main Methods:

  • Utilizing light-adjustable lens technology for post-operative customization.
  • Employing injectable lens materials to replicate crystalline lens shape and function.

Related Experiment Videos

  • Investigating methods to address challenges like material leakage and posterior capsule opacification.
  • Main Results:

    • LALs allow customization to correct spherical, cylindrical, and higher-order aberrations.
    • Lens material can be adjusted for refractive multifocality and diffractive bifocality.
    • Injectable materials show promise in replicating natural lens shape, with solutions for leakage and opacification.

    Conclusions:

    • Light-adjustable lenses combined with injectable technology offer precise refractive correction.
    • Potential for restoring accommodative range comparable to that of younger individuals.
    • Future advancements could provide older adults with precise near and distance vision.