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Arquivos Brasileiros de Oftalmologia
On-line version ISSN 1678-2925
FERRAZ, Caroline Amaral; ALLEMANN, Norma and CHAMON, Wallace. Phakic intraocular lens for presbyopia correction. Arq. Bras. Oftalmol. [online]. 2007, vol.70, n.4, pp. 603-608. ISSN 1678-2925. http://dx.doi.org/10.1590/S0004-27492007000400009.
PURPOSE: To evaluate clinical and refractive results of anterior chamber multifocal phakic intraocular lens Newlife® for presbyopia correction considering uncorrected far and near visual acuity and refraction data and also to evaluate safety of this intraocular lens considering distance and near corrected visual acuity, endothelial cell count and complications. METHODS: Retrospective analysis of a clinical database of 30 patients (51 eyes) who had received a foldable anterior chamber multifocal intraocular lens for presbyopia correction. Data were collected before surgery and at 1, 3, 6, 12 months after the procedure. Statistical variance analysis and multiple comparisons were used to verify possible associations. All complications were described. RESULTS: After surgery the mean spherical equivalent was -0.046 D (+/-0.48) and 87.5% of the eyes could read Parinaud 3 or better (equivalent to J2 or better) without the need of near glasses. Endothelial cell loss was 7.57%. The intraocular lens was explanted in 6 (11.5%) eyes for different reasons. Cataracts were the major cause of lens removal. CONCLUSION: Improvement of mean uncorrected visual acuity and refraction data after multifocal phakic intraocular lens Newlife® implantation for presbyopia correction was observed. Established safety criteria (distance and near corrected visual acuity, endothelial cell count and complications) did not confirm the safety of the procedure in the follow-up period.
Keywords : Presbyopia [surgery]; Lens implantation, intraocular; Postoperative complications; Retrospective studies.