Abstract:
AIM:To evaluate the rotational stability and visual outcomes of a single-piece hydrophilic acrylic toric intraocular lenses (IOL) over a 1.5-year follow-up period. Data from the 6-month follow-up study have been previously reported. METHODS:Forty eyes of 26 cataract patients (mean age: 72.8±7.9y) with pre-existing corneal astigmatism of 1.0 to 2.6 D were enrolled in the study. Mean axial length was 23.17±0.88 mm. Main outcome measures after implantation of the Torica-aA IOL (HumanOptics) were IOL rotational stability, subjective refraction, astigmatism correction, uncorrected and corrected distance visual acuity (UDVA, CDVA). RESULTS:There was no significant change in the parameters evaluated between the 6-month and 1.5-year follow-ups. At last visit, mean absolute IOL rotation (objective method) was 1.81°±1.87° (range 0.00° to 7.20°) with 78.6% of eyes having IOL rotation <3°, 92.9% of eyes <5° and 100% of eyes <8°. No patient required secondary IOL repositioning during the course of the study. Mean residual refractive cylinder was -0.60±0.40 D. There was a significant reduction in the magnitude of the J0 vector postoperatively (P<0.0001) with a mean absolute change of 0.76±0.40 D. The mean J45 vector was close to zero preoperatively and postoperatively and didn't change significantly (P=0.28). Mean monocular UDVA and CDVA was 0.09±0.12 logMAR and -0.01±0.12 logMAR, respectively. No treatment with Nd:YAG laser was required. CONCLUSION:The Torica-aA IOL shows good and stable visual performance and rotational stability over a 1.5-year follow-up period.
journal_name
Int J Ophthalmoljournal_title
International journal of ophthalmologyauthors
Gyöngyössy B,Jirak P,Schönherr Udoi
10.18240/ijo.2017.04.12subject
Has Abstractpub_date
2017-04-18 00:00:00pages
573-578issue
4eissn
2222-3959issn
2227-4898pii
ijo-10-04-573journal_volume
10pub_type
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