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Iris Fixation via External Pentagram Suturing
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Iris-fixated posterior chamber intraocular lenses in children

Kimberly G Yen1, Ashvini K Reddy, Mitchell P Weikert

  • 1Department of Ophthalmology and Pediatrics, Texas Children's Hospital and Baylor College of Medicine, Houston, Texas 77030, USA. kgyen@texaschildrenshospital.org

American Journal of Ophthalmology
|September 16, 2008
PubMed

Insights

Iris-fixated posterior chamber intraocular lenses (PCIOL) offer an alternative for pediatric aphakia, but dislocation risks are higher in patients with ectopia lentis. Careful consideration is advised due to potential complications.

Area of Science:

  • Ophthalmology
  • Pediatric Surgery
  • Intraocular Lenses

Background:

  • Pediatric aphakia requires effective intraocular lens (IOL) correction.
  • Iris-fixated PCIOLs present an alternative to other suturing techniques.

Purpose of the Study:

  • To evaluate short-term outcomes and complications of iris-fixated PCIOLs in pediatric patients.
  • To compare complication rates in different pediatric populations.

Main Methods:

  • Retrospective, observational case study of 12 pediatric patients (17 eyes).
  • Foldable iris-sutured PCIOLs implanted between 2004 and 2007.
  • Outcome measures included visual acuity changes and complications.

Main Results:

  • Higher dislocation rate (45%) in patients with ectopia lentis (Marfan syndrome, hereditary/idiopathic) compared to other aphakia causes (0%).
  • Mean final visual acuity improved by 0.23 logMAR units.
  • Complications included retinal detachment and iris capture.

Conclusions:

  • Iris-fixated PCIOLs are a viable alternative for pediatric aphakia correction.
  • IOL dislocation is a significant concern, especially in patients with ectopia lentis.
  • Caution is recommended due to potential dislocation and suture degradation.
Abstract

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