September 19, 2013
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Toric IOLs safely correct astigmatism, improve vision

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Toric IOL implantation safely corrected astigmatism while improving visual performance and decreasing wavefront error, according to a study.

Thirty eyes of 30 cataract patients who qualified as candidates for phacoemulsification and implantation of the AcrySof toric IOL (Alcon) were included in the prospective study.

The refractive cylinder decreased from 2.17 D preoperatively to 0.73 D postoperatively at 180 days; the results were statistically significant (P = .001).

A statistically significant difference was found amid preoperative corneal astigmatism and postoperative refractive astigmatism (P < .05).

LogMAR uncorrected distance visual acuity was 0.20 in 100% of patients and 0.0 in 64% of patients at 180 days postoperatively.

The root mean square of internal coma and trefoil aberrations aimed toward reduction and internal spherical aberration significantly reduced postoperatively (P = .037), the authors reported.

There was no statistical significance for tilting and IOL decentration variation between 30 and 180 days postoperatively.

The study authors said the results warrant longer follow-up and larger studies to evaluate long-term efficacy of toric IOLs in astigmatism correction.

Disclosure: The study authors report no relevant financial disclosures.