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Visual results in lensectomy with intraocular diffractive aspheric bifocal lens implantation

Poster Details

First Author: A.Señaris SPAIN

Co Author(s):    B. Baamonde   J. Alfonso   L. Fernández-Vega        

Abstract Details



Purpose:

To evaluate the refractive and visual outcomes of the bilateral implant of a intraocular (IOL) bifocal diffractive aspheric lens.

Setting:

Instituto Oftalmológico Fernández-Vega, Oviedo, España

Methods:

68 eyes from 34 patients who underwent lensectomy with the implantation of a bifocal diffractive aspheric IOL (Tecnis One, AMO) between June 2011 and June 2012. Mean age was 63.88ḟ9.11 and the lensectomy was performed due to refractive reasons, with or without cataract. Mean manifest sphere was between -12.50 diopters (D.) and +5.25 D. Preoperative corneal astigmatism was less or equal than 1.25 D. IOL power was calculated using the SRK-T formula. Surgery was performed through an incision at the steepest meridian, by means of phacoemulsification and with the implant in every case of rectangular design capsular tension ring. Residual refraction, monocular and binocular distance-corrected visual acuity (DCVA) and distance-corrected near visual acuity (DCNVA), defocus curve and excimer enhancements percentage were evaluated.

Results:

Six months after surgery, mean residual sphere was 0.14ḟ0.35 and residual cylinder -0.14ḟ0.26. Monocular and binocular DCVA were respectively 0.91ḟ0.10 and 0.93ḟ0.12 and monocular and binocular DCNVA were 0.90ḟ0.13 and 0.95ḟ0.08. The percentage of excimer enhancements was 25% (17 eyes).

Conclusions:

Lensectomy with implantation of a bifocal diffractive aspheric lens is an effective, safe and predictable refractive procedure for the correction of near and distance vision.

Financial Disclosure:

NONE

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