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Rotational stability of a blue light-absorbing hydrophobic acrylic posterior chamber single piece intraocular lens

Poster Details

First Author: M.Ullrich AUSTRIA

Co Author(s): J. Hienert   A. Fisus   K. Kefer   C. Pilwachs   N. Hirnschall   O. Findl     

Abstract Details


To evaluate the rotational stability and performance of a new blue light-absorbing hydrophobic acrylic posterior chamber single piece intraocular lens (IOL) during the first 6 postoperative months.


Vienna Institute for Research in Ocular Surgery, A Karl-Landsteiner-Institute, Hanusch Hospital, Vienna, Austria.


In this study, patients with age-related cataract and potential postoperative best-corrected visual acuity (BCVA) of 0.63 decimal or better were included. Patients requiring an IOL power outside the range of 15.0 to 27.0 dioptres were excluded. Patients received a single piece non-toric hydrophobic acrylic IOL with an axis mark (YST0.00; Nidek). One hour, 1 week and 6 months after surgery, retroillumination photographs were obtained to assess the rotational stability of the IOL. Secondary endpoints were distance BCVA and adverse events.


100 patients were included in the study. In 100 eyes of 77 patients a complete data set was achieved. Mean age was 71.7 years ranging from 51 to 89 years. The mean absolute rotation was 2.1 degrees (standard deviation, 1.7) at 6 months (1h – 6 months postoperatively). IOL rotation was less than 3 degrees and less than 6 degrees in 74% and 98% of all cases, respectively. 98% achieved a BCVA of 0.63 or better, 95% of 0.8 and 81% of 1.0 or better.


The new YST0.00 hydrophobic acrylic posterior chamber single piece IOL shows excellent rotational stability, good post-operative BCVA and good safety results.

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