Capsular bag–fixated and ciliary sulcus-fixated intraocular lens centration after supplementary intraocular lens implantation in the same eye

Abstract

To assess capsular bag and sulcus intraocular lens (IOL) centration in eyes that had implantation of a sulcus-fixated supplementary IOL anterior to a preexisting capsular bag IOL. Academic Teaching Hospital of St. John, Vienna, Austria. Retrospective case series. A sulcus-fixated supplementary IOL (Sulcoflex) was implanted anterior to a preexisting capsular bag IOL. The geometric center of preexisting capsular bag IOLs and newly implanted sulcus-fixated IOLs was evaluated at least 12months postoperatively and in relation to the geometric center of the pupil and limbus. The study comprised 48 eyes of 43 patients with a mean follow-up of 25months (range 12 to 84months). Themean decentration of the capsular bag-fixated IOL was 0.29mm±0.02 (SEM) when compared with the limbus and 0.29±0.03mm when compared with the dilated pupil. The mean decentration of the sulcus-fixated IOL was 0.23±0.02mm in relation to the limbus and 0.22±0.02mm when in relation to the dilated pupil. Sulcus-fixated supplementary IOLs showed significantly better centration than bag-fixated IOLs when compared with the limbus and with the pupil (both P=.03, paired t test). Implantation of a sulcus-fixated supplementary IOL resulted in good centration of capsular bag-fixated IOLs and ciliary sulcus-fixated IOLs. However, ciliary sulcus-fixated IOLs achieved significantly better centration.