i bought some conteact lenses, and i used one pair, then i started to worry about what if there's something in my lense(even i do clean it), and it casue me infection, so, i want to ask is how is the infection like, and can i get blind from that,and is there a way to cure,and is that neccesary to got both eye blind by if infection? hope someone can answer, casue it makes me feel sick about my lenses, casue i still got lots of them, one year supply to be specific, so i just want to know more about the infection, then i can be not scare it that much, and consume a couple boxes at least.