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Postoperative outcomes of HOYA 355 toric intraocular lens implantation

Poster Details

First Author: S.Nakano JAPAN

Co Author(s):    T. Hiraoka   T. Oshika                 

Abstract Details


To evaluate early postoperative outcomes of HOYA 355 toric intraocular lens (T-IOL) implantation and to compare postoperative outcomes among HOYA 355, Alcon AcrySof IQ, and AMO technis T-IOLs.


Ryugasaki Saiseikai Hospital, Ryugasaki, Ibaraki, Japan


Sixteen eyes of 13 subjects who underwent cataract surgery with HOYA 355 T-IOL implantation were included. Cylindrical power and axis placement were calculated with an online toric IOL calculator program. All surgeries were performed by a single surgeon and a unified method. Visual acuity and refraction were measured preoperatively and at 1day, 1week, and 3month postoperatively, and IOL misalignments were measured at 3month post operatively. These results were compared with those of other patients who were implanted Alcon AcrySof IQ T-IOL (26eyes of 34 subjects) and AMO technis T-IOL (7 eyes of 13 subjects).


At 3 month after cataract surgery, the mean logMAR uncorrected visual acuity (UCVA) and best-corrected visual acuity (BCVA) of the HOYA 355, AcrySof IQ, and AMO technis T-IOL groups was -0.00 ± 0.11, 0.05 ± 0.14, 0.17 ± 0.26, and -0.06 ± 0.03, -0.04± 0.07, -0.01 ± 0.08, respectively. The mean subjective astigmatism and mean objective astigmatism was 0.21 ± 0.36, 0.34 ± 0.39, 0.57 ± 0.37 D, and 0.75 ± 0.56, 0.77 ± 0.34, 0.84 ± 0.47 D, respectively. The mean IOL misalignments were 2.7 ± 2.3, 3.1 ± 3.0, 4.7 ± 3.6 degrees, respectively. There were no significant differences in UCVA, BCVA, subjective and objective astigmatism, and IOL misalignments between three groups.


Postoperative outcomes of HOYA 355 toric T-IOL were similar to those of AcrySof IQ and AMO technis T-IOLs.

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