Abstract
Purpose: :
Long term stability after implantation of a single-piece toric hydrophobic acrylic intraocular lens to correct corneal astigmatism.
Methods: :
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).
Results: :
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.
Conclusions: :
Toric IOL implantation is highly capable to correct corneal astigmatism and stays rotationally stable within the first 12 months postoperatively.
Keywords: cataract • astigmatism • intraocular lens