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A Medical Packaging Newsletter from DuPont

October 2004 Volume 13, Issue 2

T y v e k ®

Medicel Switches to DuPontTyvek® Medical Packaging for its Innovative, Single-Use Cataract Surgery Products

In this Issue:

Cocoon Wrapping Helps Protect DuPont™ Tyvek® in Transit

DuPont Helps Advance Better Health Care Through Science

A Team of Experts Focused on Your Needs

Larson and Scholla Named to “Notable People” Lists

Calendar of Events

For More Information:

North America Call the Customer Information Center at 1-800-44-TYVEK®

Europe / Middle East / Africa Claude Metzdorf Luxembourg Phone: +352-3666-5714 Fax: +352-3666-5021

Japan Ichiro Ikeda Japan Phone: +813-5434-6929 Fax: +813-5434-6975

Asia-Pacific Kate Wang China Phone: +86-21-63866366

ext. 2227 Fax: +86-21-63853665

For Seminar Series Information visit our website: www.medicalpackaging. dupont.com

The statistics are somewhat startling. More than half of the worlds population over age 65 has cataracts, which are defined as a clouding of the eyes natural lens. According to the World Health Organization (WHO), cataracts are the leading cause of blindness, accounting for approximately 16 million cases worldwide. Usually associated with aging, cataracts may also be caused by diseases, such as diabetes; from medications, such as steroids, diuretics and tranquilizers; or from significant trauma. Some studies have suggested that exposure to ultraviolet light, cigarette smoke and air pollution are additional risk factors.

Surgery is the only way to remove a cataract and improve vision. Annually, an estimated 8.7 million cataract surgeries are performed worldwide. Advances in materials, technology and techniques have made cataract surgery a safe, effective and comfortable procedure that is performed almost exclusively on an outpatient basis.

Today, most cataract surgery is performed with an instrument that dissolves the lens with

ultrasound in a process called phacoemulsification. Then, an intraocular lens (IOL) is placed in the eye to focus light. When IOLs were first introduced, they were made of a hard plastic material called polymethylmethacrylate (PMMA). Surgeons had to use a large incision, ranging from 5.5 mm to 14 mm, to implant these lenses because they were not flexible. Now, foldable implants made of plastic, silicone or acrylic compounds enable surgeons to use incisions of

approximately 3 mm. Incisions this small offer two important benefits: they do not induce significant changes in the patients astigmatism, thus enabling predictable results, and they usually do not require sutures, thus resulting in faster recovery of vision after surgery.

Medicel AG, an innovative Swiss manufacturer of high-quality products for ophthalmic surgery, has pioneered the art of safe and

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Printed on Tyvek® 1085D.

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