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Intraocular metallic-appearing foreign bodies after phacoemulsification

R E Braunstein1, A M Cotliar, B M Wirostko

  • 1Edward S. Harkness Eye Institute, Columbia-Presbyterian Medical Center, New York, New York 10032, USA.

Journal of Cataract and Refractive Surgery
|November 1, 1996
PubMed
Summary
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Metallic fragments in the eye after cataract surgery were observed. These fragments, likely from instrument contact during phacoemulsification, caused no immediate visual issues.

Area of Science:

  • Ophthalmology
  • Surgical Technology

Background:

  • Cataract extraction using phacoemulsification is a common procedure.
  • Intraocular foreign bodies can potentially affect visual outcomes.

Purpose of the Study:

  • To investigate the occurrence and potential source of intraocular metallic-appearing foreign bodies after cataract extraction.
  • To determine if instrument contact during phacoemulsification contributes to fragment generation.

Main Methods:

  • Observation of six eyes with intraocular foreign bodies post-cataract extraction.
  • In vitro experiment applying ultrasound power to surgical instruments.
  • Microscopic examination of instrument tips and generated fragments.

Main Results:

Related Experiment Videos

  • Metallic-appearing foreign bodies were found in the anterior segment of six eyes after two-handed phacoemulsification.
  • Experimental simulation produced similar foreign bodies from instrument-tissue contact.
  • Surface irregularities on surgical instruments suggest a source for these fragments.

    • Conclusions:

    • Instrument contact during phacoemulsification may lead to intraocular metallic fragments.
    • The observed fragments did not cause immediate visual impairment.
    • Long-term follow-up is necessary to assess the clinical significance of these fragments.