Do not like wearing spectacles and prefer contact lens? It is time for you to think twice before wearing these lens as they can severely hurt your eyes warn doctors. This is because of an outbreak of a rare infection that can leave you blind. Medical experts have pointed out that those wearing contact lens are at a greater risk of developing Acanthamoeba keratitis an infection of the cornea that is very painful. According to recent media report the infection is caused by Acanthamoeba a microscopic organism that is common in nature and is mostly found in water bodies like