Lian Kao, a Taiwanese undergraduate, lost her sight after an army of single-cell organisms devoured her eyeballs after she didn't take her contacts out for six months, the Daily Mail reports.
Doctors said the 23-year-old had kept her contacts in at all times, even in the swimming pool.
Not taking your contacts out apparently creates the perfect breeding ground for amoebas.
You have been warned. Take your contacts out!
Nicolás Medina Mora is a reporter for BuzzFeed News and is based in New York.
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