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Toric IOLs are premium intraocular lenses that correct astigmatism as well as nearsightedness or farsightedness.Like toric soft contact lenses, toric IOLs can correct astigmatism because they have different powers in different meridians of the lens.Today there is a wide variety of premium IOLs to choose from.The best intraocular lens for you depends on many factors, including your lifestyle and your specific visual needs.There is no such thing as a "monovision IOL." Monovision is the technique of fully correcting the refractive error of one eye and intentionally making the other eye mildly nearsighted.In this scenario, the fully corrected eye sees distant objects clearly (but cannot see very well up close without glasses), and the mildly nearsighted eye sees very well up close without glasses (but not so clearly far away).The following is an overview of premium IOLs currently that are FDA-approved for use by cataract surgeons in the United States.

Just prior to cataract surgery, the surgeon places temporary markings on the patient's cornea that identify the location of the most curved meridian of the front of the eye.LASIK, PRK and a procedure called astigmatic keratotomy (AK) also can be performed after cataract surgery to correct residual astigmatism, but toric IOLs decrease the likelihood of needing these additional surgical procedures.FDA-approved toric intraocular lenses available in the U. include: Tecnis Toric (Abbott Medical Optics), Acry Sof IQ Toric (Alcon), and Trulign Toric (Bausch Lomb).Premium aspheric IOLs, on the other hand, match more closely the shape and optical quality of the eye's natural lens, and thereby can provide sharper vision — especially in low light conditions and for people with large pupils.Popular aspheric IOLs that are FDA-approved and available in the U. include: Tecnis Aspheric (Abbott Medical Optics), Acry Sof IQ (Alcon), Sof Port AO (Bausch Lomb), and Softec HD (Lenstec).

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