Product Description Air Optix Aqua Multifocal contact lenses by Alcon & Ciba Vision are monthly lenses, designed to correct presbyopia. The Precision Profile Design of these multifocal contact lenses will provide you with clear and seamless visual transitioning at all distances, offering you freedom from reading glasses. SmartShield technology gives these lenses a smooth lens surface, resistant to deposits for fresh eyes and optimal comfort all day long. In addition, these silicone hydrogel contact lenses allow a high amount of oxygen to reach the eye while locking in water to ensure your eyes stay moist and hydrated. Need more optical advice help? Ask our optical experts