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AddOn

Refrakční a vizuální výsledky po implantaci sekundární torické nitrooční čočky do sulku

AddOnRefrakční a vizuální výsledky po implantaci sekundární torické nitrooční čočky do sulku

Gundersen KG, Potvin R

Purpose:

To evaluate the rotational stability, visual acuity and refractive error after sulcus
implantation of a secondary toric IOL.

Setting:

One clinical practice in Haugesund, Norway.

Design:

Non-interventional single-arm diagnostic study.

Methods:

Eligible subjects who had previous successful primary cataract or refractive lens
exchange surgery in one or both eyes and the AddOn® secondary toric IOL implanted in the
sulcus were evaluated at a single postoperative diagnostic visit to measure visual outcomes.
Subjects with surgical complications (either primary or secondary) or pathology that would
affect best-corrected visual acuity (eg, amblyopia) were excluded. Clinical evaluations at the
diagnostic visit included measurement of visual acuity, manifest refraction and IOL
orientation.

Results:

Eighteen eyes were evaluated. After secondary IOL implantation, mean residual
refractive astigmatism was significantly reduced (1.66 ± 0.92 to 0.32 ± 0.25 D). There was
no appreciable change in the spherical equivalent refraction. Sixteen of 18 eyes (89%) had
residual refractive astigmatism ≤0.50D, and no eye had more than 0.75D after secondary IOL
implantation. Mean UCVA was 0.00 ± 0.03 logMAR, with no eyes worse than 0.10. Mean
BCVA was −0.05 ± 0.03 logMAR (20/20+2), with all eyes having BCVA of 0.00 logMAR.
The mean change in orientation was near zero, with a mean absolute change of 4.9 ± 3.7
degrees. Sixteen of 18 eyes (89%) had a lens orientation ≤10 degrees from intended, with no
eye oriented more than 13 degrees from intended.

Conclusion:

The AddOn® toric sulcus IOL significantly reduced postoperative refractive
astigmatism in patients with high astigmatism after their primary cataract or RLE surgery,
providing very good uncorrected distance vision.