Product Description Air Optix For Astigmatism by Alcon & Ciba Vision are monthly toric contact lenses designed for those with astigmatism who wish to wear their lenses over a long period of time. You can wear Air Optix For Astigmatism for up to 16 hours a day. Exclusive TriComfort technology maintains the breathability of these lenses and ensures they stay moisturised by allowing more oxygen to flow through the lens. This makes them an excellent choice for dry eyes. You can expect a natural feel and all day comfort for 30 consecutive days with Air Optix For Astigmatism. The smooth surface of these silicone hydrogel contact lenses not only ensures optimal comfort but also resists deposit build ups for visual clarity and irritation free eyes. Need more optical advice help? Ask our optical experts