Biotrue ONE day for Astigmatism contact lenses are designed to deliver sharp, consistent vision and lasting comfort for people with astigmatism. The bio-inspired design provides excellent breathability to keep your eyes healthy; delivering crisp vision all day long while reducing halos and glare. It employs Surface Active Technology to retain 98% of their moisture for up to 16 hours for superior all-day comfort. This lens technology, combined with the enhanced Peri-Ballast design, ensure your vision will stay clear and comfortable throughout the day.