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Gerhard F. Kieselbach, Martina Kralinger, Josef Troger; Long Term Stability After Implantation Of Single-piece Toric Intraocular Lenses. Invest. Ophthalmol. Vis. Sci. 2011;52(14):4730.
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Long term stability after implantation of a single-piece toric hydrophobic acrylic intraocular lens to correct corneal astigmatism.
43 patients with age-related cataract and corneal astigmatism (1.00 to 3.00 D diopter [D]) underwent surgery with an in-the-bag implantation of an aspherical IOL, AcrySof®-Toric-IOL (SN60T3, SN60T4 or SN60T5). Eyes were measured by partial coherence interferometry (IOLMaster). Preoperatively, the horizontal and vertical axis was marked. The pre- and postoperative visual acuity was compared by taking measurements of the sphere, the cylinder and the best corrected visual acuity (BCVA).
The retrospective study enrolled 52 eyes (43 patients). Mean cylinder deviation between first postoperative day and 4 weeks was 1.8 degrees ± 2.1 (SD) and 0.9 ± 1.5 degrees at 12 months. Between first postoperative and last postoperative measurement there was no significant difference. Also BCVA showed no significant change after one year.
Toric IOL implantation is highly capable to correct corneal astigmatism and stays rotationally stable within the first 12 months postoperatively.
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