Extreme H2O 54 contact lenses features a advanced breakthrough material in a prism ballast design with a toric back surface. This combination is what enables the toric lenses to perform at a higher level for visual acuity and all-day comfort. The stable design gives rapid stabilization and overall consistent performance. Advanced moisture retention for outstanding ALL-DAY comfort. Crisp, stable visual acuity. Increased wearing time. Improved ocular health. Deposit resistance. Manufactured by X-Cel Specialty Contacts.