According to statistics over 4.1 million Nigerians over the age of 40 are blind, and this was mostly as a result of not recognizing the early stages and signs of deadly eye diseases that can blind one’s eye forever without reverse, for this reason, we put to this guide ” 13 signs of deadly eye diseases ” that explains early signs of this eye defects in other for you to deal with it as quick as possible, to avoid visual impairment