These contact lenses are meant for wearers who require an astigmatism correction.  They are approved for wear for 7 consecutive days although wearers should always consult with their eye care professional.  Air Optix for astigmatism contacts are for those who want comfort yet flexibility to leave them in over night.  Many wearers claim that once they have worn these lenses  that they will never go back to their previous brands.  The Air Optix brand has gained the trust of the contact lens world.  Wear these lenses with confidence as they have unsurpassed breathability and wetability.  Get your vision focused with correcting your astigmatism correction.  There are six lenses per box.  Another great product from Ciba Vision.  Always consult with your eye care professional for wearing times appropriate for you.  Why not wear a name brand contact lens at a fraction of retail cost?