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Home > Vision Correction > IOL
IOL

IOL (Intraocular Lens)

IOL (Intraocular Lens) is a lens implanted in the eye used to treat Cataract Surgery - IOL cataracts or nearsightedness (myopia). The most common type of IOL is the pseudophakic IOL. These are implanted during cataract surgery, after the cloudy crystalline lens (otherwise known as a cataract) has been removed. The pseudophakic IOL replaces the original crystalline lens, and provides the light focusing function originally undertaken by the crystalline lens. The second type of IOL, more commonly known as a phakic intraocular lens (PIOL), is a lens which is placed over the existing natural lens, and is used in refractive surgery to change the eye's optical power as a treatment for myopia, or nearsightedness.

Most IOLs fitted today are fixed monofocal lenses matched to distance vision. However, other types are available, such as multifocal IOLs which provide the patient with multiple-focused vision at far and reading distance, and adaptive IOLs which provide the patient with limited visual accommodation.

During your preoperative exam and consultation, your cataract surgeon can help you choose the best IOL for your needs, as well as additional cataract surgery costs involved if you choose one of the following premium lens implants.

Premium Lens:

  • Aspheric IOLs match closely with the shape and optical quality of the eye's natural lens which can provide sharper vision, especially in low light conditions and for people with large pupils.
  • Toric IOLs are premium intraocular lenses that correct astigmatism as well as nearsightedness or farsightedness.
  • Accommodating IOLs expand the range of clear vision with both an aspheric design and feature a hinged design that allows the lens to move forward which increases the focusing power of the eye enough to provide better near vision than a conventional monofocal lens.
  • Multifocal IOLs contain added magnification in different parts of the lens to expand your range of vision so you can see objects clearly at all distances without glasses or contact lenses.

Insertion of an intraocular lens for the treatment of cataracts is the most commonly performed eye surgical procedure. Surgeons annually implant more than 6 million lenses. The procedure can be done under local anesthesia with the patient awake throughout the operation. The use of a flexible IOL enables the lens to be rolled for insertion into the capsule through a very small incision, thus avoiding the need for stitches, and this procedure usually takes less than 30 minutes in the hands of an experienced ophthalmologist. The recovery period is about 2–3 weeks. After surgery, patients should avoid strenuous exercise or anything else that significantly increases blood pressure. They should also visit their ophthalmologists regularly for several months so as to monitor the implants.

IOL implantation carries several risks associated with eye surgeries, such as infection, loosening of the lens, lens rotation, inflammation and night time halos, but a systematic review of studies has determined that the procedure is safer than conventional laser eye treatment.

To understand fully your cataract surgery costs and coverage, check the terms of your insurance policy carefully before you have surgery.

If you are experiencing vision problems due to Cataracts or Presbyopia, you may need Lens Implants to improve your vision. Contact our office to schedule a consultation.