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Pseudo-exfoliation pattern on posterior IOL.

A Ringvold1, J Bore

  • 1Department of Ophthalmology, University of Oslo, Ulleval Hospital, Norway.

Acta Ophthalmologica
|June 1, 1990
PubMed
Summary
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A peripheral band on intraocular lenses may indicate Posterior Encapsular (PE) syndrome. This band forms externally on the pseudophakos, not from the lens epithelium itself.

Area of Science:

  • Ophthalmology
  • Biomaterials Science

Background:

  • Cataract surgery involves removing the clouded natural lens and implanting an artificial intraocular lens (IOL).
  • Posterior capsular opacification (PCO) is a common complication after cataract surgery.
  • Posterior Encapsular (PE) syndrome is a specific condition affecting the posterior capsule and IOL.

Observation:

  • A distinct peripheral band was observed on the anterior surface of the pseudophakos (artificial lens) eight months post-surgery.
  • The patient was a 75-year-old male who underwent cataract extraction and lens implantation.

Findings:

  • The peripheral band observed in PBK syndrome is not derived from the lens epithelium.
  • Evidence suggests the peripheral band is an external deposit or adhesion to the pseudophakos surface.

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Implications:

  • This finding aids in understanding the pathogenesis of PBK syndrome.
  • Clarifying the origin of the peripheral band may inform strategies for preventing or managing this complication.
  • Further research into the composition and formation of the peripheral band is warranted.