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    Blade versus laser for astigmatism correction

    Physician discusses treatment with toric IOLs and corneal limbal-relaxing incisions

    Boston—Patients have high expectations regarding cataract surgery outcomes, and anything less than perfect may be considered a failure, said Kendall E. Donaldson, MD, MS.

    Unfortunately, 50% to 70% of patients with cataracts also have more than 0.75 D of pre-existing astigmatism, said Dr. Donaldson during Cornea Day at the annual meeting of the American Society of Cataract and Refractive Surgery.

    The goal is to leave patients with less than 0.5 D of residual cylinder, said Dr. Donaldson, Bascom Palmer Eye Institute, Miami.

    She focused on correction of corneal astigmatism and discussed treatment with toric IOLs and corneal limbal-relaxing incisions (LRIs).

    Two studies compared the two methods of astigmatism correction and both found toric IOLs to have better outcomes and be more stable and predictable. Toric IOLs are the appropriate choice for patients who underwent a previous refractive surgery, have a thin corneal, and higher levels of astigmatism or ocular surface disease.

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