Originally Posted by yogesh

1-Day Acuvue Moist is made up of copolymer (galyfilcon A), where as Acuvue Oasys is made up of silicon hydrogel (senofilcon A)
Both lenses show very impressive technical parameters. As most Acuvue products, these 2 flagship products come with first class UV blocking and convenience features such as inside-out-mark and visibility tint.

However, the younger Acuvue Oasys provides some significant improvements over Acuvue Advance. The much higher oxygen permeability of Acuvue Oasys should provide patients with improved wearing comfort. In addition Oasys shows a more flexible replacement schedule as patients can wear the lens up to 6 consecutive days and nights.

On the other side, Acuvue Advance comes with a much lower price tag - typical online retail prices indicate that Acuvue Advance is up to 40% cheaper than Oasys....