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Visual and optical outcomes of a new monofocal toric intraocular lens

Poster Details

First Author: T.Ferreira PORTUGAL

Co Author(s):    F. Ribeiro                    

Abstract Details


To evaluate the visual and wavefront outcomes of patients who underwent cataract surgery with the implantation of a new transitional toric monofocal intraocular lens (IOL) - Precizon Toric IOL (model 565, Ophtec BV).


Hospital da Luz, Lisbon, Portugal


This prospective case series included 50 eyes with cataract and regular corneal astigmatism between 1.00 and 4.00 diopters (D) submitted to phacoemulsification with implantation of a Precizon Toric IOL. Over a 4-month follow-up period, the main outcome measures were uncorrected and corrected distance visual acuities (UDVA and CDVA, respectively), spherical equivalent (SE) refraction, residual astigmatism, rotational stability of the IOL (OPD-Scan III, Nidek) and higher order aberrations (HOA) (OPD-Scan).


Mean UDVA was 0.05 ± 0.09 (0.3 to -0.15) LogMAR (P<.001) and mean CDVA was -0.02 ± 0.08 (0.05 to -0.15) (P<.001). UDVA was 0.3 logMAR or better in 49 (98%) eyes and 0.1 LogMAR or better in 43 (86%) eyes. Mean SE refraction was -0.18 ± 0.39 D (-1.12 to +0.50), with 47 (94%) eyes within ±0.50 D of the attempted spherical correction. Mean refractive cylinder was -0.34 ± 0.46 D (-1.00 to 0). Mean toric IOL axis rotation was 1.59 ± 2.15° (0 to 7°). Ocular aberrometry improved after surgery (for HOA RMS p=.002).


The implantation of the Precizon toric IOL in patients with cataract and corneal astigmatism provided excellent visual outcomes, predictability of refractive results, rotational stability and good optical performance.

Financial Disclosure:

One or more of the authors research is funded, fully or partially, by a company producing, developing or supplying the product or procedure presented

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