Abstract

Purpose: The purpose of this study was to analyze the clinical outcome and higher-order aberrations (HOAs) after 1.4-mm biaxial microincision cataract surgery (B-MICS) and implantation of a new aspheric intraocular lens (IOL). Material and Methods: A total of 157 eyes of 106 patients were enrolled in this prospective, single-center study. The B-MICS (1.4 mm, 26 eyes) was followed by an implantation of a microincision aspheric Incise® IOL MJ14T (Bausch & Lomb, Rochester, N.Y., USA). The control groups consisted of patients operated with 1.8-mm (coaxial MICS, Akreos MI60, 41 eyes), 2.2-mm (small incision cataract surgery, Tecnis ZCB00, 44 eyes) and 2.2-mm (small incision cataract surgery, CT Asphina, 46 eyes) coaxial phacoemulsification with implantation of an aspheric IOL. Intraoperative and postoperative complications, best-corrected visual acuity, HOAs for a 5.0-mm pupil using the iTrace aberrometer (Tracey Technologies, Houston, Tex., USA) and endothelial cell loss were evaluated. The difference among the groups was evaluated by analysis of variance. Results: In the Incise group, the mean best-corrected visual acuity improved significantly from 0.4 ± 0.27 logMAR preoperatively to 0.05 ± 0.07 postoperatively. The root mean square of total ocular HOAs was measured at 0.419 ± 0.191 µm, spherical aberration was measured at 0.168 ± 0.072 µm and coma was measured at 0.213 ± 0.200 µm. The best-corrected visual acuity (p = 0.097), total ocular HOA (p = 0.630) and coma (p = 0.193) showed no statistically significant difference between the 4 groups. Conclusion: The aspheric microincision IOL was safely implanted through a 1.4-mm incision and showed similarly good postoperative outcome in comparison to 1.8- and 2.2-mm coaxial phacoemulsification. © 2014 S. Karger AG, Basel

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