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Related Experiment Videos

Implantation in children

H V Gimbel1, M Ferensowicz, M Raanan

  • 1Gimbel Eye Centre, Calgary, Alberta, Canada.

Journal of Pediatric Ophthalmology and Strabismus
|March 1, 1993
PubMed
Summary

Posterior chamber intraocular lens (IOL) implantation in children is safe and effective, with minimal complications and good visual outcomes. Most pediatric patients achieved significant visual improvement after cataract surgery with IOLs.

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Area of Science:

  • Ophthalmology
  • Pediatric Surgery

Background:

  • Advancements in surgical techniques and materials have increased the use of intraocular lenses (IOLs) in pediatric cataract cases.
  • Posterior chamber IOLs (PC-IOLs) are increasingly favored for implantation in the capsular bag.

Purpose of the Study:

  • To evaluate the safety and efficacy of PC-IOL implantation in pediatric patients with various types of cataracts.
  • To assess visual outcomes and complications associated with pediatric IOL surgery.

Main Methods:

  • A retrospective review of 61 eyes in 46 children and adolescents who underwent cataract extraction and PC-IOL implantation between 1982 and the study period.
  • Surgical technique involved in-the-bag placement using small capsulectomy and, from 1984, continuous curvilinear capsulorhexis.
  • Patient cohort divided into preschool (2-5 years), child (6-12 years), and adolescent (13-18 years) age groups.

Main Results:

  • Congenital cataracts were most common (44 eyes), followed by traumatic (13 eyes) and developmental (4 eyes).
  • Overall, 79% of the total cohort achieved a best-corrected visual acuity of 20/40 or better.
  • Visual acuity outcomes varied by age group, with 56% of preschoolers, 87% of children, and 86% of adolescents reaching 20/40 or better.
  • Thirty-five percent achieved uncorrected visual acuity of 20/40 or better, and 48% were within 1 diopter of emmetropia.
  • Improvement in best-corrected vision was observed in all but two cases, with deprivation amblyopia being the primary cause of unachieved 20/20 vision.

Conclusions:

  • Posterior chamber IOL implantation in the capsular bag is a safe and effective procedure for pediatric cataract patients.
  • The study demonstrates good visual results and minimal complications, supporting the use of IOLs in children and adolescents.
  • Deprivation amblyopia remains a significant factor influencing final visual acuity in pediatric pseudophakia.

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