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Iris-fixated posterior chamber IOLs yield positive outcomes in aphakic children
Am J Ophthalmol. 2009;147(1):121-126.
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Implantation of an iris-fixated posterior chamber IOL is a viable alternative to scleral fixation, contact lenses or aphakic spectacles for pediatric aphakic patients with little or no capsular support.
"Visual rehabilitation of aphakia in children presents a therapeutic challenge to all ophthalmologists," the study authors said. "Correcting aphakia in children is an important step in the treatment of amblyopia."
Many children are not eligible to wear spectacles or contact lenses and some refuse to wear spectacles for cosmetic reasons, they said.
The study included 17 eyes of 12 patients who had a mean age of 7.2 years at original posterior chamber IOL insertion. The average follow-up interval was 12.48 months. IOL dislocation occurred in five eyes at a mean follow-up of 6 months. Dislocations were more common in cases involving ectopia lentis than in those involving traumatic aphakia or postsurgical aphakia. Visual acuity improved a mean 0.23 logMAR units.
Long-term risks include suture degradation and IOL dislocation, the authors said.