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Visual outcomes after trifocal intraocular lens implantation

Poster Details

First Author: L.Belda-Salmerón SPAIN

Co Author(s):    J. Alfonso   L. Fernandez-Vega   J. Blazquez   R. Montes-Mico           

Abstract Details

Purpose:

To assess distance, intermediate, and near visual outcomes in a large sample of patients who had bilateral implantation of the AT LISA tri 839 MP intraocular lens (IOL).

Setting:

Fernández-Vega Ophthalmological Institute, Oviedo, Spain.

Methods:

Two hundred and four eyes of 102 patients who underwent bilateral implantation of the AT LISA tri 839MP IOL following cataract surgery were assessed in the study. This IOL combines a central trifocal zone (+3.33 D and +1.66 D addition) with a bifocal diffractive pattern on the periphery. Monocular and binocular uncorrected (UDVA) and corrected distance visual acuity (CDVA), monocular and binocular uncorrected (UNVA) and distance-corrected near visual acuity (DCNVA), binocular uncorrected and distance-corrected intermediate visual acuity (DCIVA), the defocus curve, and binocular photopic and mesopic contrast sensitivity with and without glare were evaluated over 6 months.

Results:

There were no statistically significant differences in visual acuity outcomes between follow-up visits at any distance evaluated. Six months postoperatively, the mean monocular UDVA and UNVA were comparable to preoperative CDVA and DCNVA, respectively. All patients achieved a binocular CDVA of 20/25 or better. The mean binocular DCIVA ranged from 0.11±0.11 (70 cm) to 0.07±0.11 logMAR (50 cm). These visual outcomes were in accordance with the defocus curve, showing a wide range of useful vision. Mesopic contrast sensitivity was lower than under photopic conditions, particularly at medium and high spatial frequencies.

Conclusions:

Bilateral implantation of the AT LISA tri 839MP IOL provides good visual outcomes at far, intermediate, and near distances, being an effective solution to reduce spectacle dependence after cataract surgery.

Financial Disclosure:

NONE

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