The Eye Parasite That Can Get In Through Your Contact Lens

A recent eye infection suffered by 18-year-old Nottingham University student Jess Greaney is the kind of story that fills us with horror. Greaney had keratitis, an inflammation of the cornea, caused by Acanthamoeba castellanii, a parasite that was living and feasting on her eye. A. castellanii is a ubiquitous organism, found in many ecosystems worldwide. It is able to survive in harsh environmental circumstances - even in some contact lens solutions - and this is not the first occurrence