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    How image-guided systems benefit surgical planning

    San Diego—Three separate papers from one study have shown low residual refractive cylinder, good accuracy to target, and refractive outcomes when using the image-guided system for surgical planning on patients with different IOL platforms.

    Three surgeons—Stephen G. Slade, MD, Houston; Kerry D. Solomon, MD, Mount Pleasant, SC; and Stephen S. Lane, MD, Bloomington, MN—all presented portions of their overall study to evaluate the Verion (Alcon Laboratories) image-guided system for surgical planning and digital alignment.

    Dr. Slade presented results from the open-label, prospective, nonrandomized, multicenter study in 188 eyes that underwent femtosecond laser-assisted cataract removal (LenSx) using phacoemulsification; any preoperative astigmatism was treated with astigmatic keratotomy (AK). Group 1 (n = 88) was implanted with a monofocal lens, and Group 2 (n = 100) with a multifocal lens.

    At 3 months follow-up, 62% and 83% had residual refractive cylinder of ≤0.50 D and ≤0.75 D, respectively, in the multifocal lens group.

    At the same follow-up, 71% and 88% in the monofocal group had a residual refractive cylinder of ≤0.50 and ≤0.75 D, respectively. In the monofocal lens group, 77% had a manifest refractive spherical equivalent (MRSE) of ≤0.50 D and 98% were within ≤0.75 D accuracy. In the multifocal group, 82% had MRSE of ≤0.50 D and 94% were within ≤0.75 D accuracy.

    Dr. Slade did not have an explanation for why the multifocal group seemed to perform better statistically.

    Next: Results deepen

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