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Benefits of Tecnis® Multifocal Intraocular Lenses |
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The Food and Drug Administration (FDA) approved Pfizer’ Tecnis® Multifocal Foldable Acrylic Intraocular Lens (IOL) in January 2009, adding it to the list of successful multifocal lenses such as ReSTOR®, that have brought clear vision to millions of cataract patients. |
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| Author: Sara Goldstein |
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Like its predecessors, the diffractive lens design that Tecnis® uses directs light differently in different zones of the lens. Each zone is designed to address either distance, intermediate or near vision. The Tecnis® lens not only replaces the natural crystalline lens to eliminate cataracts, but it also corrects presbyopia, a normal blurring of vision that begins in one’s 40s and worsens with age. Many people report not needing even reading glasses, which sets this lens apart from the competition.
Benefits of the Tecnis® Multifocal IOL
According to their literature the benefits gained from this lens are:
• After 4-6 months of healing, 94% of patients who received the Tecnis® Multifocal IOL experienced 20/25 or better distance vision and 20/32 near vision.
• 93.8% of the patients in the study group were comfortable without glasses at any distance one year after receiving this lens bilaterally.
• Most patients NEVER needed glasses after receiving a Tecnis® implant.
• The image quality people experienced was excellent under both bright and dim lighting.
• Patients experienced almost no spherical aberration.
Patient Responses
Patients were surveyed at 4-6 months after receiving the Tecnis® multifocal lens implants, and again after one year. Those with the Tecnis® lenses rated their vision significantly higher than those that received monofocal lenses in both surveys. 94.6% of patients who have had the Tecnis® lens implanted would have the same lens implanted if they had to do it again.
Most patients experience clear vision at all distances with the Tecnis® lenses in contrast to the patients with monofocal lenses whose near vision was often blurred and required reading glasses. Tecnis® patients report far fewer incidences of halos, glare and other aberrations, and report clearer night vision than with monofocal lenses. But, Tecnis® patients’ night distance vision was not quite as good as with the monofocal lenses.
Patients with the Tecnis® lenses were able to read faster and read smaller print sizes without glasses or contacts than patients who had received monofocal lenses.
The need for glasses or contacts in those who received bilateral implants varied significantly between the multifocal lens users and the monofocal lens users.
Using Spectacles Always Sometimes Never
Bilateral Multifocal Lens 0.7% 11.3% 88.0%
Bilateral Monofocal Lens 11.0% 83.9% 5.0%
Available Models of Tecnis®
Tecnis® manufactures two models of the Multifocal Foldable Intraocular Lens, the acrylic model # ZMA00, and a silicone model ZM900.
About Author
Please visit Susskind & Almallah Eye Associates, P.A., serving ophthalmology patients in the New Jersey area to learn more about cataract surgery options.
Article Source:
http://www.1888articles.com/author-sara-goldstein-4751.html
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