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Updated: Jun 12, 2026

Rotating the Intraocular Lens to Prevent Posterior Capsular Opacification in Cataract Surgeries
Published on: July 7, 2023
[Congenital cataract removed early: long-term visual acuity outcome and refractive changes]
F Thoumazet1, S Mauris-Tyson, J Colin
1ISPED, service d'ophtalmologie, CHU Pellegrin, place Amélie-Raba-Léon, 33000 Bordeaux, France. francois.thoumazet@chu-bordeaux.fr
Insights
Pediatric cataract surgery outcomes improved with primary intraocular lens implantation, offering better visual acuity than contact lenses for children.
Area of Science:
- Ophthalmology
- Pediatric Surgery
- Medical Technology
Context:
- Congenital cataracts are a primary cause of pediatric crystalline lens abnormalities.
- Surgical techniques for pediatric lens abnormalities have advanced.
- Early intervention is crucial for visual development in children.
Purpose:
- To evaluate the outcomes of early surgical intervention for pediatric crystalline lens abnormalities.
- To compare the effectiveness of primary intraocular lens implantation versus contact lens correction.
- To assess visual acuity and refractive outcomes in pediatric cataract patients.
Summary:
- A retrospective study analyzed 121 pediatric eyes operated between 2000-2005 for lens abnormalities, primarily congenital cataracts.
- Primary intraocular lens implantation was performed in 79 eyes, with a mean follow-up of 2.89 years.
- Implanted eyes showed significantly better final visual acuity (5.4/10) compared to contact lens correction (2/10), with improved refractive stability.
Impact:
- Primary intraocular lens implantation in pediatric cataract surgery leads to superior visual outcomes compared to contact lens correction.
- Early lens implantation offers better visual acuity and refractive stability in children with cataracts.
- This study supports the use of intraocular lenses in pediatric cataract management for improved long-term visual function.
Introduction:
Removing pediatric crystalline lens abnormalities has improved recently. Congenital cataract is the main cause.
Patients And Method:
This retrospective study analyzed 121 eyes in children that were operated early at the Bordeaux Hospital (France) from 2000 to 2005, with no exclusion criterion. The Anova test and the Bartlett Chi2 test were used for the statistical analysis.
Results:
This cohort mainly recruited congenital cataract with half of the population operated on at less than 1 year of age, including 41 before the age of 6 months. The mean age at surgery was 1.93 years (range, 9 days to 8.86 years). Seventy-nine eyes underwent primary intraocular lens implantation (78.8% for unilateral cataracts and 55.1% for bilateral cataract). The mean postoperative refraction was +1.94 D with a mean myopic shift of -1.22 D over 2.89 years of follow-up. Of the operated eyes, 64.7% improved 0.5 D or better, with a mean gain of 0.38. The final visual acuity (AVF) was 0.51. Before the age of 1 year, the mean AVF was 4.1/10 (range, 1/50 to 12/10). The mean AVF of the implanted eyes (5.4/10+/-4.2/10) was higher than those corrected by contact lenses (2/10+/-1.6/10) (p=0.024).
Discussion And Conclusion:
Primary intraocular lens implantation provides significantly better AVF than aphakic contact lens-corrected eyes and provides better stabilization over time whatever the age.
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