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Related Experiment Video

Updated: Jun 7, 2026

Intact Histological Characterization of Brain-implanted Microdevices and Surrounding Tissue
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Enucleation techniques: the Iowa implant.

G S Weinstein1

  • 1Department of Ophthalmology, Eye and Ear Institute of Pittsburgh, Pennsylvania.

Advances in Ophthalmic Plastic and Reconstructive Surgery
|January 1, 1987
PubMed
Summary

The Iowa implant offers superior prosthesis motility and support through a unique four-mound design. This surgical technique is detailed for enucleation procedures.

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Area of Science:

  • Ophthalmology
  • Ophthalmic Surgery
  • Biomedical Engineering

Background:

  • Enucleation is the surgical removal of the eyeball.
  • Ocular prostheses require stable orbital implants for optimal function.
  • Existing implants may have limitations in motility and prosthesis support.

Purpose of the Study:

  • To describe the indications for enucleation.
  • To detail the Iowa implant, a novel quasi-integrated orbital implant.
  • To outline the surgical technique and evaluate postoperative complications associated with the Iowa implant.

Main Methods:

  • Description of the Iowa implant's design: a quasi-integrated implant with four anterior mounds.
  • Surgical technique involving imbrication of rectus muscles between the mounds.
  • Formation of a socket with four protrusions for prosthesis articulation.

Main Results:

  • The implant design creates a socket with four protrusions.
  • These protrusions articulate with a custom-fitted prosthesis featuring four concavities.
  • This articulation mechanism is designed to impart excellent motility and support for the ocular prosthesis.

Conclusions:

  • The Iowa implant provides a stable and supportive orbital implant solution.
  • The unique design enhances prosthesis motility and fit.
  • Further evaluation of surgical technique and complication rates is warranted.

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