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WASHINGTON, Feb. 18, 2016 -- Ninety-nine percent of adults who wear contacts admit to breaking some cardinal lens rules: sleeping in them, washing them in water and so on. Many contact-wearers may brush off these accidents, but improper lens care can have gross -- and sometimes serious --consequences. This week, Reactions collaborates with Anna Rothschild from Gross Science to explain why contacts can cause problems and how to prevent them. Check it out here: .

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