Well, yes, you should know that eye infection can cause blindness. Generally speaking, there are many factors which can cause blindness, but it differs according to the socioeconomic condition of the nation being studied. In most cases, the leading causes of blindness include ocular complications of diabetes, macular degeneration, and traumatic injuries. Also, there are some other causes including infections, cataracts, glaucoma, and injury. As we know that when your eyes have been infected by something, it can be dangerous to have other eye diseases, such as the glaucoma. And then, if you do not treat them as soon as possible, it can weaken your eyes and lead to blindness. So, you should pay more attention to your eyes which are so sensitive that they can be infected easily.