Contact Lenses Loaded with Vitamin E May Treat Glaucoma More Effectively

March 28, 2010

In a presentation at the 239th National Meeting of the American Chemical Society (ACS), researchers described how loading Vitamin E into special medicated contact lenses can keep glaucoma medicine near the eye almost 100 times longer than possible with current commercial lenses.

The presenters developed a new extended-release delivery approach incorporating vitamin E into contact lenses. The invisible clusters, or aggregates, of vitamin E molecules form what researchers described as “transport barriers” that slow down the elusion of the glaucoma medication from the lens into the eye. The drug released from the lens into the eye stays in the tears far longer than the 2-5 minutes with eye drops, leading to more effective therapy.

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