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Contact lens solution associated with parasitic eye infection


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And of course, this just happens to be the solution I use.




Contact-lens solution linked to infection

By Mike Stobbe

Associated Press

Article Launched: 05/26/2007 01:30:33 AM PDT


ATLANTA - Government officials are warning people to throw away a contact-lens solution after an investigation linked it to a rare eye infection.


The warning concerns AMO Complete Moisture Plus Multi-Purpose Solution, used for cleaning and storing soft contact lenses, said a spokeswoman for the U.S. Centers for Disease Control and Prevention.


The solution seems to be a factor in cases of Acanthamoeba keratitis, a painful eye infection that can lead to permanent vision loss or blindness.


The CDC and the U.S. Food and Drug Administration are investigating 138 confirmed cases.


The solution is made by Advanced Medical Optics, a publicly traded company based in Santa Ana. A message left with a company spokesman was not immediately returned.


CDC officials said people should discard the solution, throw out their current contact lenses and toss the lens storage case. All of them may harbor the infecting amoeba, said Michael Beach, team leader in the CDC's division of parasitic diseases.


An estimated 85 percent of U.S. cases of Acanthamoeba keratitis occur in contact-lens users, but it's extremely unusual - the estimated prevalence is one to two cases per 1 million contact-lens wearers.


It's hard to diagnose and treat - and some of the drugs used to fight the infection are available only overseas or from compounding pharmacies.


Doctors first suspected a problem in 2004, when a University of Illinois-Chicago ophthalmologist, Dr. Elmer Tu, noticed more than a dozen cases of the infection. Normally, he might see only one or two in a year, Tu said.


Doctors at the university saw 35 patients with the condition from May 2003 through September 2006. About 55 percent used the Advanced Medical Optics product exclusively, Tu said.


University investigators think the infection is not originating in the manufacturing process, but that the cleaning solution is not protecting people from the infection, which they get in their eyes through showering or swimming, Tu said.



I'll be damned if I throw away this pair of lenses, though. lolz.

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