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ORIGINAL ARTICLE
Year : 2013  |  Volume : 106  |  Issue : 3  |  Page : 199-205

Long-term visual performance of AT LISA 909M multifocal toric intraocular lenses


Department of Ophthalmology, Ain Shams University, Cairo, Egypt

Correspondence Address:
Abdelrahman G Salman
1195, Ain Shams University, Cairo
Egypt
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2090-0686.127405

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Purpose The aim of the study was to analyze the subjective and objective visual and astigmatic effect of AT LISA 909M multifocal toric intraocular lenses (IOLs) for far and near vision after 1 year of implantation. Design This is a prospective nonrandomized interventional case series. Methods After cataract surgery with implantation of AT LISA 909M multifocal toric IOLs, the visual, refractive, and corneal topographic outcomes, lens rotation, contrast sensitivity, and patient satisfaction were evaluated over 12 months and analyzed. Refractive astigmatic changes (target-induced astigmatism, surgically induced astigmatism, difference vector, magnitude of error, and flattening effect) were analyzed using the Alpins vectorial method. Results The study enrolled 22 eyes (11 patients). Postoperatively, a significant reduction was observed in the refractive cylinder (P < 0.05) with an associated visual improvement in distance (P < 0.001) and near (P < 0.05) vision. Spectacle independency for distance and near vision was achieved in 95 and 90% of patients, respectively. After 1 year, significant stability of the IOL and patient satisfaction were observed for both distance and near vision. The Alpins correction index was +1.02. Conclusion The AT LISA 909M multifocal toric IOL resulted in long-term visual improvement in distance and near vision with good predictability in eyes with moderate-to-high corneal astigmatism undergoing cataract surgery.


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