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Visual Function in Children With Posterior Lens Opacities Before and After Surgery
Wan Chen1, Hui Chen1, Zhuangling Lin1
1From the State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China.
Cataract surgery significantly improves visual function in children with posterior lens opacities. Factors like initial visual acuity and opacity size influence postoperative outcomes.
Area of Science:
- Ophthalmology
- Pediatric Ophthalmology
- Visual Science
Background:
- Congenital posterior lens opacities can impair visual development in children.
- Evaluating visual function and surgical outcomes is crucial for pediatric eye care.
Purpose of the Study:
- To assess visual function changes before and after cataract surgery in children with posterior lens opacities.
- To identify factors associated with successful visual outcomes post-surgery.
Main Methods:
- A prospective case-series study involving pediatric patients undergoing cataract surgery for posterior lens opacities.
- Preoperative and postoperative measurements included corrected distance visual acuity (CDVA), modulation transfer function (MTF), ocular aberrations, and stereopsis.
- Analysis of cataract characteristics and risk factors for visual outcomes.
Main Results:
- Sixty-nine eyes of 63 pediatric patients were analyzed.
- Postoperative CDVA significantly improved from 0.81 to 0.40 logMAR (P < .001), with 56.5% achieving 20/40 or better.
- Significant improvements were observed in MTF, ocular aberrations, and stereopsis post-surgery (P < .001).
Conclusions:
- Cataract surgery is effective in improving visual function in children with posterior lens opacities.
- Worse preoperative CDVA, larger opacity size (>6.5 mm²), and higher mean keratometry were associated with poorer postoperative CDVA.
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