Ciba vision O2 optix is a branded lens Which is safe to our eyes. I have myopia i.e., not to see long distance objects. Many myths are commonly in my surroundings that using contact lens may affect a oxygen absorption into eye but Ciba vision O2 optix is specially made increases in flow of oxygen. So, my hubby suggested me to wear contact lens that shows me looking smart. After a long review, I have got this brand. Really, now I am looking smart and comfortable with this contact lens.