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[Ocular axial length and refractive changes in pediatric pseudophakia]
1Depantment of Ophthalmology, Xijing Hospital, Fourth Military Medical University, XiAn 710032, China.
Yan Ke Xue Bao = Eye Science
|February 13, 2003
Summary
Cataract extraction and intraocular lens implantation in children aged 3-10 years did not significantly affect ocular growth. However, complications like increased axial length can lead to myopic shift in pseudophakia.
Area of Science:
- Ophthalmology
- Pediatric ophthalmology
- Refractive surgery
Context:
- Cataract extraction with intraocular lens (IOL) implantation is a common procedure in children.
- Understanding ocular growth and refractive changes post-surgery is crucial for long-term visual outcomes.
- Factors influencing refractive outcomes in pediatric pseudophakia require further investigation.
Purpose:
- To evaluate ocular axial length and refractive changes in children following cataract extraction and IOL implantation.
- To investigate factors influencing pseudophakic refraction in pediatric patients.
Summary:
- A review of 12 eyes in 10 children (mean age 7.16 years) showed no significant difference in axial length increase between operated and unoperated eyes post-surgery.
- Discrepancies were found between calculated and measured anterior vertex distance of the IOL, and predicted vs. actual refractive changes, indicating a significant myopic shift (-3.86 D).
- Complications leading to axial elongation or IOL displacement may cause myopic shift in pediatric pseudophakia.
Impact:
- This study suggests that cataract extraction and IOL implantation may not significantly impact ocular growth in children aged 3-10 years.
- Potential complications can lead to myopic shifts, necessitating careful monitoring and management.
- Slight undercorrection with IOLs in children may lead to emmetropia or moderate myopia in adulthood.