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Related Experiment Videos

The NuLens accommodating intraocular lens.

Joshua Ben-Nun1

  • 1NuLens Ltd., 15 Maskit Street, Herzliya-Pituach, Israel 972 9 9549495. jbnot1@hotmail.com

Ophthalmology Clinics of North America
|February 28, 2006
PubMed
Summary

The NuLens intraocular lens (IOL) offers a broad dioptric power range using minimal ciliary movement. This innovative optomechanical concept has been successfully developed and tested in primate eye models.

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Area of Science:

  • Ophthalmology
  • Biomedical Engineering
  • Optics

Background:

  • Current intraocular lenses (IOLs) have limitations in achieving a wide range of dioptric power.
  • Accommodative effort in the human eye involves subtle ciliary muscle movements.

Purpose of the Study:

  • To introduce and validate a novel optomechanical concept for intraocular lenses.
  • To develop an IOL capable of generating a wide dioptric power range with minimal ciliary muscle movement.

Main Methods:

  • Investigated the principles of optomechanics within the primate eye model.
  • Designed and constructed functional intraocular lens prototypes based on the optomechanical concept.
  • Implanted prototypes in primate eyes to assess performance.

Main Results:

  • Demonstrated that the NuLens IOL can achieve a wide range of dioptric power.
  • Confirmed that minimal movements of the ciliary apparatus are sufficient for significant power variation.
  • Successfully implanted and verified the functionality of IOL prototypes in a primate model.

Conclusions:

  • The NuLens IOL's optomechanical design is a viable approach for achieving dynamic refractive correction.
  • This technology holds promise for restoring a broader range of vision after cataract surgery.
  • Further development may lead to improved visual outcomes for patients requiring refractive correction.

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