There has been a global recall of a contact-lens solution popular in Shanghai following fears that it may cause severe eye problems, and even blindness.

However, so far there have been no reports of associated eye problems in the city.

The solution is believed to increase the danger of contracting the rare eye disease acanthamoeba keratitis.

Advanced Medical Optics announced the global recall of the Complete Multipurpose Solution over the weekend and suggested that customers stop using the product, the Shanghai Drug Adverse Event Center said yesterday.

According to a Saturday statement by the United States Center for Disease Control and Prevention, the solution is suspected to be the cause of acanthamoeba keratitis, which can result in severe loss of vision or blindness.

The US center released the report following an investigation on 46 such cases since January, 2005. Of the patients 39 were contact lens wearers and 21 of them used the Complete Multipurpose Solution.

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