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Evaluation of long-term visual performance following AcrySof ReSTOR lens implantation
Yun-e Zhao1, Jun-hua Li, Jun Zhu
1School of Optometry and Ophthalmology, Eye Hospital, Wenzhou Medical College, Wenzhou, Zhejiang, China. zye@mail.eye
Chinese Medical Journal
|December 3, 2009
Summary
The AcrySof ReSTOR multifocal intraocular lens offers good long-term vision after cataract surgery. Early intervention for posterior capsular opacification (PCO) is crucial for optimal visual outcomes.
Area of Science:
- Ophthalmology
- Biomedical Engineering
Background:
- Multifocal intraocular lenses (IOLs) are increasingly used in cataract surgery.
- Long-term visual outcomes and the impact of posterior capsular opacification (PCO) on multifocal IOL performance require further study.
Purpose of the Study:
- To evaluate the long-term visual performance of the AcrySof ReSTOR multifocal IOL.
- To assess the effect of PCO on visual outcomes after ReSTOR IOL implantation.
Main Methods:
- Retrospective analysis of 54 eyes implanted with ReSTOR IOLs (12-31 month follow-up).
- Assessment of visual acuity (distance, near, intermediate), manifest refraction spherical equivalence (MRSE), and contrast sensitivity.
- Comparison of visual parameters before and after capsulotomy to evaluate PCO impact.
Main Results:
- Eyes with MRSE within +/-0.5 D showed better uncorrected distance visual acuity (P < 0.05).
- Post-implantation, best-corrected distance visual acuity was 0.00 LogMAR and best distance-corrected near visual acuity was 0.16 LogMAR.
- Mild PCO significantly impacted visual performance, with improvements noted after capsulotomy (P < 0.05).
Conclusions:
- The ReSTOR IOL provides satisfactory long-term distance, near, and intermediate vision with good contrast sensitivity.
- Posterior capsular opacification negatively affects visual performance and warrants timely intervention.