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Capsular management and refractive error in pediatric intraocular lenses
D A Plager1, S N Lipsky, S K Snyder
1Department of Ophthalmology, Indiana University Medical Center, Indianapolis, USA.
Insights
Posterior chamber intraocular lens (IOL) implantation is safe and effective in carefully selected children. This study found good visual acuity and minimal complications, with posterior capsule opacification occurring around two years post-surgery.
Area of Science:
- Ophthalmology
- Pediatric Surgery
- Biomedical Engineering
Background:
- Current guidelines for pediatric intraocular lens (IOL) implantation lack universal consensus on key aspects.
- Areas of disagreement include patient selection, age limits, surgical techniques, posterior capsule management, and refractive targets.
Purpose of the Study:
- To evaluate the safety and efficacy of posterior chamber intraocular lens (IOL) implantation in pediatric patients.
- To assess visual outcomes and complications in children undergoing IOL surgery.
Main Methods:
- Posterior chamber IOLs were implanted in the capsular bag of 79 eyes in 57 children (age range: 10 months to 17 years).
- Patient selection was based on age, cataract type, laterality, and absence of complicating factors.
- Postoperative refractive goals were generally mild hyperopia, adjusted for patient age, with an average follow-up of 2 years.
Main Results:
- 79% of patients achieved a postoperative visual acuity of 20/40 or better.
- Amblyopia was the limiting factor for vision in the remaining patients.
- No significant intraoperative or postoperative complications were reported. Posterior capsule opacification occurred approximately 2 years post-surgery.
Conclusions:
- Posterior chamber IOL implantation in carefully selected pediatric patients is both safe and effective.
- Consideration of primary posterior capsulectomy with anterior vitrectomy is recommended for children unlikely to undergo YAG capsulotomy within 18 months.
Background:
Guidelines for intraocular lens (IOL) implantation in children regarding patient selection, age limitations, operative techniques, including management of the posterior capsule, and refractive goals are not universally agreed on.
Methods:
The authors placed posterior chamber IOLs in the capsular bag of 79 eyes in 57 children. Patient age ranged from 10 months to 17 years. Follow-up averaged 2 years. Patients were selected on the basis of age, cataract morphology, laterality, and lack of potential complicating factors. In general, postoperative refractions were intended to be mildly hyperopic with the magnitude dependent on patient age.
Results:
Seventy-nine percent of patients able to report a postoperative visual acuity showed 20/40 or better visual acuity. Vision was limited by amblyopia in the remaining patients. There were no significant complications. The posterior capsule opacified on average 2 years after surgery regardless of patient age.
Conclusions:
Implantation of posterior chamber IOLs in carefully selected children appears to be effective and safe. Consideration should be given to primary posterior capsulectomy-anterior vitrectomy at the time of lens implant in children who are not expected to be candidates for yttrium aluminum garnet (YAG) capsulotomy within 18 months of surgery.