A mom was left blind in one eye when a microscopic parasite latched onto her cornea after she went swimming while wearing her contact lenses. Stacey Peoples, 49, was left without vision in her left eye after contracting acanthamoeba keratitis, a rare infection in which an amoeba attacks the outer layer of the eye. Mom-of-four Stacey was misdiagnosed with conjunctivitis in June 2014, but her eye became so painful during her family’s Independence Day vacation she could not leave her bedroom. The school administrator was rushed to the emergency room in Traverse City, Michigan, when she completely lost vision in her left eye, which had clouded over “like a zombie’s”.