ACUVUE^® OASYS^® for ASTIGMATISM Technology mixes high-density wetting agent into the lens formula, making the lenses extremely moist and slick. Made from unique silicone hydrogel that delivers nearly 100% oxygen to the eyes, letting them breathe freely, for clear, white and healthy eyes till the end of the day. It blocks up to 100% UV-B radiation and 97% UV-A radiation from the sun.