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Rotational stability of Visian Toric ICL implantation for correcting myopic astigmatism: 2 year follow-up

Poster Details

First Author: Z.Jin CHINA

Co Author(s):                  

Abstract Details


To evaluate the rotational stability of toric phakic intraocular lens (Visian ICL; STAAR Surgical)implantation for myopic astigmatism.


No.115,West Section1,1st Ring Road,Chengdu,Sichuan,China


This retrospective study evaluated 384 eyes of 634 patients who underwent toric ICL implantation for the correction of high myopic astigmatism in our hospital. Mean spherical equivalent was -11.65D±5.43D, Cylinder was -2.61±1.31D before ICL surgery. Main outcome measures was the postoperative toric ICL axis after pupil dilated, recording at 1 week, 1 month , 6 months, 12 months and 2 years. We also assessed the safety, efficacy and stability of the surgery in eyes undergoing Toric ICL implantation.


The mean postoperative Toric ICL axis rotation was 4±4.1, 3±3.7, 3±3.3, 4±3.2 and 3±3.34 at 1 week, 1 month, 6 months and 12 months and 2 years respectively. There was no statistical significant difference of the rotational stability at these time points (P>0.5). The postoperative uncorrected visual acuity at 2 years and the preoperative best corrected visual acuity (BCVA) were 0.95±0.251and 0.77±0.562 respectively ( P<0.05). The mean postoperative spherical equivalent was -0.04±0.59D and the refractive cylinder was -0.59±0.53D at 2 years. Overall, the postoperative rotation was within 15 degrees in 100%, within 10 degrees in 95 %and within 5 degrees in 76% at 2 years.


Toric ICL implantation was good in all measures of safety, efficacy and stability for the correction high myopic astigmatism throughout one year. The Toric ICL also demonstrated rotational stability both in short-term and mid-long term. [key words] toric implantable collamer Lens, high myopic astigmatism FINANCIAL INTEREST: NONE

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