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Good early results seen for new toric multifocal IOL
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SAN FRANCISCO — The first data for a new toric microincision cataract surgery multifocal IOL showed good visual acuity for intermediate and near distance and for the correction of corneal astigmatism, a surgeon said here.
 Rajesh K. Aggarwal |
Rajesh K. Aggarwal, MD, discussed the 1-month results of the LISAtoric International Study during a symposium sponsored by Carl Zeiss Meditec at the American Society of Cataract and Refractive Surgery meeting. The study is evaluating the visual acuity and cylinder correction in astigmatic cataract patients receiving bilateral implantation of the Acri.LISA toric 466TD (Carl Zeiss Meditec) at 18 international study centers in Europe, Japan and Argentina.
"The first results suggest that for both distance and correction of corneal astigmatism, it is a very satisfactory lens even in patients with significantly high degree of astigmatism and fairly high degrees of myopia." Dr. Aggarwal said.
Of the 72 patients with 1-month follow-up data, nine patients received the Acri.LISA 366D and 63 patients received the Acri.LISAtoric 466TD. The IOL powers implanted covered a broad range of sphere and cylinder for the Acri.LISAtoric 466TD.
At 1 month postop, 75% of the Acri.LISAtoric 466TD patients were within a residual cylindrical correction of less than 1 D. Mean monocular uncorrected visual acuity was 20/23 for the Acri.LISA 366D and 20/28 for the Acri.LISAtoric 466TD. Mean monocular best corrected visual acuity was 20/20 for both lenses. Mean binocular BCVA was 20/18 for the Acri.LISA 366D and 20/20 for the Acri.LISAtoric 466TD. For rotational stability, 87.5% of the patients had no rotation greater than 5° and 94.4% of the patients had no rotation greater than 10°.
Dr. Aggarwal said additional results for defocus curves and contrast sensitivity will be assessed during the 3-month and 6-month follow-up.